Verify user replication has completed

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When running the Move-CsUser cmdlet, you may experience a failure if user information between Active Directory Domain Services (AD DS) and the Skype for Business Server 2019 databases are out of sync because the initial replication is incomplete. The time it takes for the successful completion of the Skype for Business Server 2019 User Replicator service's initial synchronization depends on the number of domain controllers that are hosted in the Active Directory forest that hosts the Skype for Business Server 2019 pool. The Skype for Business Server 2019 User Replicator service initial synchronization process occurs when the Skype for Business Server 2019 Front End Server is started for the first time. After that, the synchronization is based on the User Replicator interval. Complete the following steps to verify that user replication has completed before running the Move-CsUser cmdlet.

To verify that user replication has completed

  1. Log on to the computer where Topology Builder is installed as a member of the Domain Admins group and the RTCUniversalServerAdmins group.

  2. Click the Start menu, and then click Run.

  3. Enter eventvwr.exe, and then click OK.

  4. In Event Viewer, click Applications and Services logs to expand it, and then select Skype for Business Server.

  5. In the Actions pane, click Filter Current Log.

  6. From the Event sources list, click LS User Replicator.

  7. In <All Event IDs>, enter 30024, and then click OK.

  8. In the filtered events list, on the General tab, look for an entry that states that user replication has completed successfully.