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Sincronizar uma assinatura pull

Este tópico descreve como sincronizar uma assinatura pull no SQL Server 2012 usando SQL Server Management Studio, agentes de replicação, ou RMO (Replication Management Objects).

Neste tópico

  • Para sincronizar uma assinatura pull, usando:

    SQL Server Management Studio

    Agentes de replicação

    RMO (Replication Management Objects)

Usando o SQL Server Management Studio

Assinaturas são sincronizadas pelo Agente de Distribuição (para replicação transacional e de instantâneo) ou pelo Agente de Mesclagem (para replicação de mesclagem). Os agentes podem ser executados continuamente, sob demanda ou em um agendamento. Para obter mais informações sobre a especificação de agendas de sincronização, consulte Especificar agendas de sincronização.

Sincronize uma assinatura em demanda na pasta Assinaturas Locais no SQL Server Management Studio.

Para sincronizar uma assinatura pull sob demanda no Management Studio

  1. Conecte-se ao Assinante no Management Studio e expanda o nó do servidor.

  2. Expanda a pasta Replicação e, então, expanda a pasta Assinaturas Locais.

  3. Clique com o botão direito do mouse na assinatura a ser sincronizada e clique em Exibir Status da Sincronização.

  4. Na caixa de diálogo Exibir Status da Sincronização - <Assinante>:<Banco de dados de assinatura>, clique em Iniciar. Quando a sincronização estiver concluída, a mensagem Sincronização concluída será exibida.

  5. Clique em Fechar.

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Agentes de replicação

As assinaturas pull podem ser sincronizadas programaticamente e sob demanda chamando o arquivo executável do agente de replicação apropriado do prompt de comando. O arquivo executável do agente de replicação chamado dependerá do tipo de publicação para a qual a assinatura pull pertence. Para obter mais informações, consulte Agentes de replicação.

ObservaçãoObservação

Os agentes de replicação conectam-se ao servidor local usando as credenciais de Autenticação do Windows do usuário que inicializou o agente a partir do prompt de comando. Estas credenciais de Windows também são usadas ao conectar a servidores remotos que usam Autenticação Integrada do Windows.

Para iniciar o agente de distribuição no prompt de comando ou de um arquivo em lotes

  • Do prompt de comando ou em um arquivo em lote, inicie o Agente de Distribuição de Replicação executando distrib.exe, especificando os seguintes argumentos de linha de comando:

    • -Publisher

    • -PublisherDB

    • -Distributor

    • -DistributorSecurityMode = 1

    • -Subscriber

    • -SubscriberDB

    • -SubscriberSecurityMode = 1

    • -SubscriptionType = 1

    Se você estiver usando Autenticação do SQL Server, também deverá especificar os seguintes argumentos:

    • -DistributorLogin

    • -DistributorPassword

    • -DistributorSecurityMode = 0

    • -PublisherLogin

    • -PublisherPassword

    • -PublisherSecurityMode = 0

    • -SubscriberLogin

    • -SubscriberPassword

    • -SubscriberSecurityMode = 0

Para iniciar o agente de mesclagem no prompt de comando ou de um arquivo em lotes

  • Do prompt de comando ou em um arquivo em lotes, inicie o Agente de Mesclagem de Replicação executando replmerg.exe, especificando os seguintes argumentos de linha de comando:

    • -Publisher

    • -PublisherDB

    • -PublisherSecurityMode = 1

    • -Publication

    • -Distributor

    • -DistributorSecurityMode = 1

    • -Subscriber

    • -SubscriberSecurityMode = 1

    • -SubscriberDB

    • -SubscriptionType = 1

    Se você estiver usando Autenticação do SQL Server, também deverá especificar os seguintes argumentos:

    • -DistributorLogin

    • -DistributorPassword

    • -DistributorSecurityMode = 0

    • -PublisherLogin

    • -PublisherPassword

    • -PublisherSecurityMode = 0

    • -SubscriberLogin

    • -SubscriberPassword

    • -SubscriberSecurityMode = 0

Exemplos (agentes de replicação)

O exemplo a seguir inicia o Agente de Distribuição para sincronizar uma assinatura pull. Todas as conexões são feitas usando a Autenticação do Windows.

REM -- Declare the variables.
SET Publisher=%instancename%
SET Subscriber=%instancename%
SET PublicationDB=AdventureWorks2012
SET SubscriptionDB=AdventureWorks2012Replica 
SET Publication=AdvWorksProductsTran

REM -- Start the Distribution Agent.
REM -- The following command must be supplied without line breaks.
"C:\Program Files\Microsoft SQL Server\110\COM\DISTRIB.EXE" -Subscriber %Subscriber% 
-SubscriberDB %SubscriptionDB% -SubscriberSecurityMode 1 -Publication %Publication% 
-Publisher %Publisher% -PublisherDB %PublicationDB% -Distributor %Publisher% 
-DistributorSecurityMode 1 -Continuous -SubscriptionType 1

O exemplo a seguir inicia o Agente de Mesclagem para sincronizar uma assinatura pull. Todas as conexões são feitas usando a Autenticação do Windows.

REM -- Declare the variables.
SET Publisher=%instancename%
SET Subscriber=%instancename%
SET PublicationDB=AdventureWorks2012
SET SubscriptionDB=AdventureWorks2012Replica 
SET Publication=AdvWorksSalesOrdersMerge

REM --Start the Merge Agent with concurrent upload and download processes.
REM -- The following command must be supplied without line breaks.
"C:\Program Files\Microsoft SQL Server\110\COM\REPLMERG.EXE" -Publication %Publication%  
-Publisher %Publisher%  -Subscriber  %Subscriber%  -Distributor %Publisher%  
-PublisherDB %PublicationDB%  -SubscriberDB %SubscriptionDB% -PublisherSecurityMode 1  
-OutputVerboseLevel 2  -SubscriberSecurityMode 1  -SubscriptionType 1 -DistributorSecurityMode 1  
-Validate 3  -ParallelUploadDownload 1 

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Usando o RMO (Replication Management Objects)

É possível sincronizar as assinaturas pull programaticamente usando o RMO (Replication Management Objects) e o acesso de código gerenciado para as funcionalidades do agente de replicação. As classes usadas para sincronizar uma assinatura pull dependem do tipo de publicação ao qual a assinatura pertence.

ObservaçãoObservação

Se quiser iniciar uma sincronização que execute autonomamente sem afetar seu aplicativo, inicie o agente em modo assíncrono. Porém, se quiser monitorar o resultado da sincronização e receber retornos de chamada do agente durante o processo de sincronização (por exemplo, se quiser exibir uma barra de progresso), inicie o agente de forma síncrona. Para os Assinantes do MicrosoftSQL Server 2005 Express Edition, você deve iniciar o agente de forma síncrona.

Para sincronizar uma assinatura pull com um instantâneo ou publicação transacional

  1. Crie uma conexão com o Assinante usando a classe ServerConnection.

  2. Crie uma instância de classe TransPullSubscription e defina as propriedades a seguir:

  3. Chame o método LoadProperties para obter as demais propriedades do objeto. Se esse método retornar false, verifique se a assinatura existe.

  4. Inicie o Agente de Distribuição no Assinante de uma das seguintes maneiras:

Para sincronizar uma assinatura pull para publicação de mesclagem

  1. Crie uma conexão com o Assinante usando a classe ServerConnection.

  2. Crie uma instância de classe MergePullSubscription, e defina as propriedades a seguir:

  3. Chame o método LoadProperties para obter as demais propriedades do objeto. Se esse método retornar false, verifique se a assinatura existe.

  4. Inicie o Agente de Mesclagem no Assinante de uma das seguintes maneiras:

Exemplos (RMO)

Esse exemplo sincroniza a assinatura pull para uma publicação transacional, onde o agente é iniciado em modo assíncrono usando o trabalho do agente.

         // Define server, publication, and database names.
            String subscriberName = subscriberInstance;
            String publisherName = publisherInstance;
            String publicationName = "AdvWorksProductTran";
            String publicationDbName = "AdventureWorks2012";
            String subscriptionDbName = "AdventureWorks2012Replica";

            // Create a connection to the Subscriber.
            ServerConnection conn = new ServerConnection(subscriberName);

            TransPullSubscription subscription;

            try
            {
                // Connect to the Subscriber.
                conn.Connect();

                // Define subscription properties.
                subscription = new TransPullSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = subscriptionDbName;
                subscription.PublisherName = publisherName;
                subscription.PublicationDBName = publicationDbName;
                subscription.PublicationName = publicationName;

                // If the pull subscription and the job exists, start the agent job.
                if (subscription.LoadProperties() && subscription.AgentJobId != null)
                {
                    subscription.SynchronizeWithJob();
                }
                else
                {
                    // Do something here if the subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exists on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Do appropriate error handling here.
                throw new ApplicationException("The subscription could not be synchronized.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksProductTran"
Dim publicationDbName As String = "AdventureWorks2012"
Dim subscriptionDbName As String = "AdventureWorks2012Replica"

' Create a connection to the Subscriber.
Dim conn As ServerConnection = New ServerConnection(subscriberName)

Dim subscription As TransPullSubscription

Try
    ' Connect to the Subscriber.
    conn.Connect()

    ' Define subscription properties.
    subscription = New TransPullSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = subscriptionDbName
    subscription.PublisherName = publisherName
    subscription.PublicationDBName = publicationDbName
    subscription.PublicationName = publicationName

    ' If the pull subscription and the job exists, start the agent job.
    If subscription.LoadProperties() And Not subscription.AgentJobId Is Nothing Then
        subscription.SynchronizeWithJob()
    Else
        ' Do something here if the subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "A subscription to '{0}' does not exists on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Do appropriate error handling here.
    Throw New ApplicationException("The subscription could not be synchronized.", ex)
Finally
    conn.Disconnect()
End Try

Esse exemplo sincroniza a assinatura pull com uma publicação transacional, em que o agente é iniciado de forma síncrona.

            // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksProductTran";
            string subscriptionDbName = "AdventureWorks2012Replica";
            string publicationDbName = "AdventureWorks2012";

            // Create a connection to the Subscriber.
            ServerConnection conn = new ServerConnection(subscriberName);

            TransPullSubscription subscription;

            try
            {
                // Connect to the Subscriber.
                conn.Connect();

                // Define the pull subscription.
                subscription = new TransPullSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = subscriptionDbName;
                subscription.PublisherName = publisherName;
                subscription.PublicationDBName = publicationDbName;
                subscription.PublicationName = publicationName;

                // If the pull subscription exists, then start the synchronization.
                if (subscription.LoadProperties())
                {
                    // Check that we have enough metadata to start the agent.
                    if (subscription.PublisherSecurity != null)
                    {
                        // Synchronously start the Distribution Agent for the subscription.
                        subscription.SynchronizationAgent.Synchronize();
                    }
                    else
                    {
                        throw new ApplicationException("There is insufficent metadata to " +
                            "synchronize the subscription. Recreate the subscription with " +
                            "the agent job or supply the required agent properties at run time.");
                    }
                }
                else
                {
                    // Do something here if the pull subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exist on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be " +
                    "synchronized. Verify that the subscription has " +
                    "been defined correctly.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksProductTran"
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"

' Create a connection to the Subscriber.
Dim conn As ServerConnection = New ServerConnection(subscriberName)

Dim subscription As TransPullSubscription

Try
    ' Connect to the Subscriber.
    conn.Connect()

    ' Define the pull subscription.
    subscription = New TransPullSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = subscriptionDbName
    subscription.PublisherName = publisherName
    subscription.PublicationDBName = publicationDbName
    subscription.PublicationName = publicationName

    ' If the pull subscription exists, then start the synchronization.
    If subscription.LoadProperties() Then
        ' Check that we have enough metadata to start the agent.
        If Not subscription.PublisherSecurity Is Nothing Then

            ' Write agent output to a log file.
            subscription.SynchronizationAgent.Output = "distagent.log"
            subscription.SynchronizationAgent.OutputVerboseLevel = 2

            ' Synchronously start the Distribution Agent for the subscription.
            subscription.SynchronizationAgent.Synchronize()
        Else
            Throw New ApplicationException("There is insufficent metadata to " + _
             "synchronize the subscription. Recreate the subscription with " + _
             "the agent job or supply the required agent properties at run time.")
        End If
    Else
        ' Do something here if the pull subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "A subscription to '{0}' does not exist on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be " + _
     "synchronized. Verify that the subscription has " + _
     "been defined correctly.", ex)
Finally
    conn.Disconnect()
End Try

Esse exemplo sincroniza a assinatura pull para uma publicação de mesclagem, onde o agente é iniciado em modo assíncrono usando o trabalho do agente.

           // Define server, publication, and database names.
            String subscriberName = subscriberInstance;
            String publisherName = publisherInstance;
            String publicationName = "AdvWorksSalesOrdersMerge";
            String publicationDbName = "AdventureWorks2012";
            String subscriptionDbName = "AdventureWorks2012Replica";

            // Create a connection to the Subscriber.
            ServerConnection conn = new ServerConnection(subscriberName);

            MergePullSubscription subscription;

            try
            {
                // Connect to the Subscriber.
                conn.Connect();

                // Define subscription properties.
                subscription = new MergePullSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = subscriptionDbName;
                subscription.PublisherName = publisherName;
                subscription.PublicationDBName = publicationDbName;
                subscription.PublicationName = publicationName;

                // If the pull subscription and the job exists, start the agent job.
                if (subscription.LoadProperties() && subscription.AgentJobId != null)
                {
                    subscription.SynchronizeWithJob();
                }
                else
                {
                    // Do something here if the subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exists on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Do appropriate error handling here.
                throw new ApplicationException("The subscription could not be synchronized.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim publicationDbName As String = "AdventureWorks2012"
Dim subscriptionDbName As String = "AdventureWorks2012Replica"

' Create a connection to the Subscriber.
Dim conn As ServerConnection = New ServerConnection(subscriberName)

Dim subscription As MergePullSubscription

Try
    ' Connect to the Subscriber.
    conn.Connect()

    ' Define subscription properties.
    subscription = New MergePullSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = subscriptionDbName
    subscription.PublisherName = publisherName
    subscription.PublicationDBName = publicationDbName
    subscription.PublicationName = publicationName

    ' If the pull subscription and the job exists, start the agent job.
    If subscription.LoadProperties() And Not subscription.AgentJobId Is Nothing Then
        subscription.SynchronizeWithJob()
    Else
        ' Do something here if the subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "A subscription to '{0}' does not exists on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Do appropriate error handling here.
    Throw New ApplicationException("The subscription could not be synchronized.", ex)
Finally
    conn.Disconnect()
End Try

Esse exemplo sincroniza a assinatura pull com uma publicação de mesclagem, em que o agente é iniciado de forma síncrona.

           // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string subscriptionDbName = "AdventureWorks2012Replica";
            string publicationDbName = "AdventureWorks2012";

            // Create a connection to the Subscriber.
            ServerConnection conn = new ServerConnection(subscriberName);

            MergePullSubscription subscription;

            try
            {
                // Connect to the Subscriber.
                conn.Connect();

                // Define the pull subscription.
                subscription = new MergePullSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = subscriptionDbName;
                subscription.PublisherName = publisherName;
                subscription.PublicationDBName = publicationDbName;
                subscription.PublicationName = publicationName;

                // If the pull subscription exists, then start the synchronization.
                if (subscription.LoadProperties())
                {
                    // Check that we have enough metadata to start the agent.
                    if (subscription.PublisherSecurity != null || subscription.DistributorSecurity != null)
                    {
                        // Synchronously start the Merge Agent for the subscription.
                        subscription.SynchronizationAgent.Synchronize();
                    }
                    else
                    {
                        throw new ApplicationException("There is insufficent metadata to " +
                            "synchronize the subscription. Recreate the subscription with " +
                            "the agent job or supply the required agent properties at run time.");
                    }
                }
                else
                {
                    // Do something here if the pull subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exist on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be " +
                    "synchronized. Verify that the subscription has " +
                    "been defined correctly.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"

' Create a connection to the Subscriber.
Dim conn As ServerConnection = New ServerConnection(subscriberName)

Dim subscription As MergePullSubscription

Try
    ' Connect to the Subscriber.
    conn.Connect()

    ' Define the pull subscription.
    subscription = New MergePullSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = subscriptionDbName
    subscription.PublisherName = publisherName
    subscription.PublicationDBName = publicationDbName
    subscription.PublicationName = publicationName

    ' If the pull subscription exists, then start the synchronization.
    If subscription.LoadProperties() Then
        ' Check that we have enough metadata to start the agent.
        If Not subscription.PublisherSecurity Is Nothing Or subscription.DistributorSecurity Is Nothing Then

            ' Output agent messages to the console. 
            subscription.SynchronizationAgent.OutputVerboseLevel = 1
            subscription.SynchronizationAgent.Output = ""

            ' Synchronously start the Merge Agent for the subscription.
            subscription.SynchronizationAgent.Synchronize()
        Else
            Throw New ApplicationException("There is insufficent metadata to " + _
             "synchronize the subscription. Recreate the subscription with " + _
             "the agent job or supply the required agent properties at run time.")
        End If
    Else
        ' Do something here if the pull subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "A subscription to '{0}' does not exist on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be " + _
     "synchronized. Verify that the subscription has " + _
     "been defined correctly.", ex)
Finally
    conn.Disconnect()
End Try

Esse exemplo sincroniza a assinatura pull para uma publicação de mesclagem usando sincronização da Web. A assinatura foi criada sem o trabalho do agente e metadados relativos à assinatura, assim o agente deve ser iniciado de forma síncrona e as informações de assinatura adicionais serão fornecidas.

          // Define the server, publication, and database names.
            string subscriberName = subscriberInstance;
            string publisherName = publisherInstance;
            string distributorName = distributorInstance;
            string publicationName = "AdvWorksSalesOrdersMerge";
            string subscriptionDbName = "AdventureWorks2012Replica";
            string publicationDbName = "AdventureWorks2012";
            string hostname = @"adventure-works\garrett1";
            string webSyncUrl = "https://" + publisherInstance + "/SalesOrders/replisapi.dll";

            // Create a connection to the Subscriber.
            ServerConnection conn = new ServerConnection(subscriberName);

            MergePullSubscription subscription;
            MergeSynchronizationAgent agent;

            try
            {
                // Connect to the Subscriber.
                conn.Connect();

                // Define the pull subscription.
                subscription = new MergePullSubscription();
                subscription.ConnectionContext = conn;
                subscription.DatabaseName = subscriptionDbName;
                subscription.PublisherName = publisherName;
                subscription.PublicationDBName = publicationDbName;
                subscription.PublicationName = publicationName;

                // If the pull subscription exists, then start the synchronization.
                if (subscription.LoadProperties())
                {
                    // Get the agent for the subscription.
                    agent = subscription.SynchronizationAgent;

                    // Check that we have enough metadata to start the agent.
                    if (agent.PublisherSecurityMode == null)
                    {
                        // Set the required properties that could not be returned
                        // from the MSsubscription_properties table. 
                        agent.PublisherSecurityMode = SecurityMode.Integrated;
                        agent.DistributorSecurityMode = SecurityMode.Integrated;
                        agent.Distributor = publisherName;
                        agent.HostName = hostname;

                        // Set optional Web synchronization properties.
                        agent.UseWebSynchronization = true;
                        agent.InternetUrl = webSyncUrl;
                        agent.InternetSecurityMode = SecurityMode.Standard;
                        agent.InternetLogin = winLogin;
                        agent.InternetPassword = winPassword;
                    }
                    // Enable agent output to the console.
                    agent.OutputVerboseLevel = 1;
                    agent.Output = "";

                    // Synchronously start the Merge Agent for the subscription.
                    agent.Synchronize();
                }
                else
                {
                    // Do something here if the pull subscription does not exist.
                    throw new ApplicationException(String.Format(
                        "A subscription to '{0}' does not exist on {1}",
                        publicationName, subscriberName));
                }
            }
            catch (Exception ex)
            {
                // Implement appropriate error handling here.
                throw new ApplicationException("The subscription could not be " +
                    "synchronized. Verify that the subscription has " +
                    "been defined correctly.", ex);
            }
            finally
            {
                conn.Disconnect();
            }
' Define the server, publication, and database names.
Dim subscriberName As String = subscriberInstance
Dim publisherName As String = publisherInstance
Dim publicationName As String = "AdvWorksSalesOrdersMerge"
Dim subscriptionDbName As String = "AdventureWorks2012Replica"
Dim publicationDbName As String = "AdventureWorks2012"
Dim hostname As String = "adventure-works\garrett1"
Dim webSyncUrl As String = "https://" + publisherInstance + "/SalesOrders/replisapi.dll"

' Create a connection to the Subscriber.
Dim conn As ServerConnection = New ServerConnection(subscriberName)

Dim subscription As MergePullSubscription
Dim agent As MergeSynchronizationAgent

Try
    ' Connect to the Subscriber.
    conn.Connect()

    ' Define the pull subscription.
    subscription = New MergePullSubscription()
    subscription.ConnectionContext = conn
    subscription.DatabaseName = subscriptionDbName
    subscription.PublisherName = publisherName
    subscription.PublicationDBName = publicationDbName
    subscription.PublicationName = publicationName

    ' If the pull subscription exists, then start the synchronization.
    If subscription.LoadProperties() Then
        ' Get the agent for the subscription.
        agent = subscription.SynchronizationAgent

        ' Check that we have enough metadata to start the agent.
        If agent.PublisherSecurityMode = Nothing Then
            ' Set the required properties that could not be returned
            ' from the MSsubscription_properties table. 
            agent.PublisherSecurityMode = SecurityMode.Integrated
            agent.Distributor = publisherInstance
            agent.DistributorSecurityMode = SecurityMode.Integrated
            agent.HostName = hostname

            ' Set optional Web synchronization properties.
            agent.UseWebSynchronization = True
            agent.InternetUrl = webSyncUrl
            agent.InternetSecurityMode = SecurityMode.Standard
            agent.InternetLogin = winLogin
            agent.InternetPassword = winPassword
        End If

        ' Enable agent logging to the console.
        agent.OutputVerboseLevel = 1
        agent.Output = ""

        ' Synchronously start the Merge Agent for the subscription.
        agent.Synchronize()
    Else
        ' Do something here if the pull subscription does not exist.
        Throw New ApplicationException(String.Format( _
         "A subscription to '{0}' does not exist on {1}", _
         publicationName, subscriberName))
    End If
Catch ex As Exception
    ' Implement appropriate error handling here.
    Throw New ApplicationException("The subscription could not be " + _
     "synchronized. Verify that the subscription has " + _
     "been defined correctly.", ex)
Finally
    conn.Disconnect()
End Try

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Consulte também

Conceitos

Sincronizar dados

Criar uma assinatura pull

Práticas recomendadas em relação à segurança de replicação