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Phase 3: Migrate Directors and Edge Servers

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上次修改主題的時間： 2009-07-01

If your existing deployment does not include a Director, you do not need to deploy an Office Communications Server 2007 R2, Director, as part of the migration process. If you are deploying Office Communications Server 2007 R2, Edge Server, to enable access to Office Communications Server 2007 R2 for external or remote users, a Director is recommended, but not required. The recommended approach for providing for Office Communications Server 2007 R2 external access is to deploy the Office Communications Server 2007 R2 Edge Server role and Director role at the same time. For details, see 部署 Director in the Deployment documentation.

Planning the Director and Edge Server Migration

Office Communications Server 2007 R2 does not support arrays of Standard Edition directors. Office Communications Server 2007 R2 supports Standard Edition Directors in a single server configuration and Enterprise Edition Directors in an array. If your existing Live Communications Server deployment has an array of Standard Edition Directors, you need to migrate to an Office Communications Server 2007 R2 Enterprise Edition array of Directors or use a single server running Office Communications Server 2007 R2 Standard Edition.

For Office Communications Server 2007 R2, there is only a single consolidated Edge Server role, which runs the Access Edge service, the A/V Conferencing Edge service, and the Web Conferencing Edge service. You can deploy a single Edge Server or a load-balanced array of Edge Servers. For details, see 外部使用者存取元件.

If you need to provide Access Proxy-type services to both Live Communications Server and Office Communications Server 2007 R2, you need to upgrade or migrate the edge services before you move users to the new Office Communications Server 2007 R2 pool. The Office Communications Server 2007 R2 Edge Server will support the Live Communications Server pool and the Office Communications Server 2007 R2 pool.

The following illustration depicts the supported scenario for the side-by-side coexistence.

Figure 1. Office Communications Server 2007 R2 Edge/Director supporting Live Communications Server and Office Communications Server 2007 R2 pools

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For details, see 部署 Edge Server 以供外部使用者存取.

  • If you have a Scaled Consolidated Edge topology with multiple Edge Servers deployed, the next hop server on the Director must target the virtual IP address of the Access Edge service array on the internal load balancer.
  • A Live Communications Server Director is not a supported next hop server for an Office Communications Server 2007 R2 Edge Server. The recommended approach for this phase is to deploy a Director and an Edge Server in tandem so that the Office Communications Server 200 R2 Edge Server is not configured for a next hop to a Live Communications Server 2005 Director.

Before proceeding to the next step, deactivate and uninstall the existing Access Proxy and Directors. You should be able to reuse certificates, Domain Name System (DNS) records, and IP addresses for the Office Communications Server 2007 R2 components.

  1. Verify that all Access Proxy Server settings and configuration options are documented.
  2. Backup the configuration of the Access Proxy Server by using the appropriate tools as outlined in Live Communications Server 2005 Standard Edition Document: Deployment Guide available for download at https://go.microsoft.com/fwlink/?LinkId=148534.
  3. Deactivate and uninstall the Live Communications Server Access Proxy server. For details, see Deprecate Your Live Communications Server 2005 SP1 Servers at https://go.microsoft.com/fwlink/?LinkId=148538.

Set Up Infrastructure for Edge Servers

Verify that your infrastructure is prepared to support Office Communications 2007 R2 Edge Server. If your infrastructure is not configured to support Office Communications Server 2007 R2 Edge Server, configure the infrastructure by following the steps in 設定 Edge Server 的基礎結構. These steps include the following:

  1. Configure a reverse proxy.
  2. Configure DNS.
  3. Configure firewalls.
  4. Prepare for Edge Server internal certificates.
  5. (optional) Deploy a Director.

Install and Activate Director

You must choose to install a separate Office Communications Server 2007 R2 Director or use the new Office Communications Server 2007 R2 pool as a Director. For details, see 部署 Director.

Install and Activate Edge Server

If your plan is to operate in a coexistence mode, your next task is to install and activate a new Office Communications Server 2007 R2 Edge Server. If you are deploying an array of Office Communications Server 2007 R2 Edge Servers, remember that the supported topology is scaled consolidated only. For details, see 設定 Edge Server. These steps include the following:

  1. Deploy load balancers (if necessary).
  2. Install Edge Server.
  3. Activate Edge Server.
  4. Configure Edge Server.
  5. Set up certificates for the internal interface.
  6. Set up certificates for the external interface.
  7. Set up certificates for A/V authentication.
  8. Start Edge Server.

Configure the System for External and Remote Users

The configuration of the environment for Federation, anonymous users, public instant messaging (IM) connectivity and remote user access consists of the following tasks:

  1. Configure federation.
  2. Configure settings for anonymous users.
  3. Configure users for federation, public instant messaging (IM) connectivity, and remote user access.
  4. Connect your internal server with your Edge Servers.

For full side-by-side coexistence scenarios with an Office Communications Server 2007 R2 Edge Server, the Office Communications Server 2007 R2 Director will be the next hop destination from the Office Communications Server 2007 R2 Edge Server. For details about these four tasks, see 設定環境.

For details about the user experience during this phase, see User Experience during Phase 3 of Migration.

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概念

Migration Process from Live Communications Server 2005