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How to Modify a Unified Messaging Mailbox Policy

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Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

 

Applies to: Exchange Server 2007, Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3

This topic explains how to use the Exchange Management Console and the Exchange Management Shell to modify the properties of an Exchange 2007 Unified Messaging (UM) mailbox policy. When you modify a UM mailbox policy, you can change such settings as PIN policies, message text settings, and dialing restrictions for a single UM-enabled recipient or multiple UM-enabled recipients. UM mailbox policies can be configured to increase the level of security for UM-enabled users.

Before You Begin

To perform this procedure, the account you use must be delegated the Exchange Organization Administrator role.

For more information about permissions, delegating roles, and the rights that are required to administer Exchange Server 2007, see Permission Considerations.

Also, before you perform these procedures, confirm the following:

  • A UM dial plan has been created.

  • A UM mailbox policy has been created.

Procedure

To use the Exchange Management Console to modify the properties of a UM mailbox policy

  1. In the console tree of the Exchange Management Console, expand the Organization Configuration node.

  2. In the result pane, click Unified Messaging.

  3. In the work pane, click the UM Mailbox Policies tab.

  4. In the work pane, click the UM Mailbox policy that you want to change.

  5. In the action pane, click Properties.

  6. In the UM mailbox policy properties window, configure the settings for the UM mailbox policy, and then click OK to accept your changes.

To use the Exchange Management Shell to modify the properties of a UM mailbox policy

  • Run the following command:

    Set-UMMailboxPolicy -Identity MyUMMailboxPolicy -MaxGreetingDuration 2 -FaxMessageText Exchange 2007 Fax Message -UMEnabledText You are now UM-enabled. -ResetPINText Your PIN was reset. -VoiceMailText Exchange 2007 Voice Mail -MinPasswordLength 8 -PINLifetime 30 -LogonFailuresBeforePINReset 3 -MaxLogonAttempts 7 -PINHistoryCount 10

For more information about syntax and parameters, see Set-UMMailboxPolicy.

Important

It is a security best practice to implement strong PIN requirements for Unified Messaging users. This can be enforced by creating Unified Messaging PIN policies that require six or more digits for PINs and increases level of security for your network. You can also increase the level of security of your network by reducing the number of failed logon attempts for UM-enabled users. Unified Messaging will generate warning events that can be viewed by using Event Viewer if PIN authentication fails for a UM-enabled user or if the user is unsuccessful in attempting to log on to the system.

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