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Wait until replication completes before proceeding to the next step.

2.Copy the global settings attributes to the Configuration container as follows:

cscript MigrateOcsGlobalSettings.vbs /Action: MigrateGlobalSettingsProperties

Important:

Wait until replication completes before proceeding to the next step.

3.For Office Communications Server 2007 and Live Communications Server 2005 with SP1, run forest preparation to set permissions as follows:

Important:

You must use the Live Communications Server 2005 or the Office Communications Server 2007 version of LcsCmd.exe to run this step. Do not use the Office Communications Server 2007 R2 version of LcsCmd.exe or the Office Communications Server Prep Forest wizard for this step. The wizard will show that the forest is already prepared, although the ACEs are not in the new container yet.

LcsCmd /Forest /Action:ForestPrep /global:configuration

For Live Communications Server 2005 with SP1, also run domain preparation in every domain the runs Live Communications Server as follows:

LcsCmd /Domain /Action:DomainPrep

Important:

Wait for the global settings tree to replicate to most forest global catalogs before proceeding to the next step.

4.Update server distinguished name (DN) references to the new global settings tree as follows:

cscript MigrateOcsGlobalSettings.vbs /Action: MigrateServerDnReferences /SearchBaseDN:<server search base DN>

Where /SearchBaseDN specifies the migration scope for servers.

5.Update DN references for user, contact, and inetOrgPerson objects to point to new global settings tree as follows:

cscript MigrateOcsGlobalSettings.vbs /Action: MigrateUserDnReferences /SearchBaseDN:<user search base DN>

Where /SearchBaseDN specifies the migration scope for users.

Wait for this step to complete before proceeding to the next step (for example, with stable network connectivity, it takes about one hour to migrate 30,000 users).

Use the Office Communications Server snap-in to restart the Office Communications Server services.

6.Try to send instant messages and perform some conferencing tasks to verify that the migration was successful.

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