On one of the servers that's associated with the identified pool, run the Invoke-CsManagementServerFailover -Restore cmdlet in the Skype for Business Server Management Shell. In the Skype for Business Server Management Shell, run the Get-CsManagementConnection cmdlet and identify which pool is currently associated to the SQL Server store that's returned by the SQL Server output. Skype for Business Replica Replicator Agent.Skype for Business Master Replicator Agent.Skype for Business Server Backup Service.Check whether the following services are started in both pools:.This scenario can occur as side effect of either scenario 1 or scenario 2. If a failover isn't completed and another failover is performed immediately after, the CMS could be marked either as in active or Backup mode due to a race condition issue. When pool functionality is restored, Backup services may take longer to mark the CMS as in Backup mode, CMS replication may fail, and a failover may be blocked. If the main pool is unavailable, the CMS status that's persisted into databases will still be set as active.
The ActiveMasterFqdn status is blank when you run the Get-CsManagementStoreReplicationStatus –CentralManagementStoreStatus cmdlet. If the central management server was recently moved to another pool this condition might be caused by a delay in Active Directory Replication Scenario 3
Invoke-CSManagementServerFailover: Central Management Server cannot be moved to pool because either a previous failover attempt failover or there is already a failover in progress. The new Central Management Store located at "" is not in Backup mode. Invoke-CsManagementServerFailover: Cannot fail over the Central Management Server. When you try to run the Invoke-CsManagementServerFailover cmdlet, you receive the following error messages: This issue occurs when you perform the second failover immediately after the previous failover, and the pool isn't yet in a consistent state. "WARNING: The Central Management Store database in Active Directory doesn't match the one in the topology" Scenario 2 No changes can be made until this move is complete #50020:XDSForceReplication: This central management store is being moved to another location.
After pool functionality is restored, you try to execute another failover operation by running the Invoke-CsManagementServerFailover cmdlet, and you receive the following error messages: This issue occurs in one of the following scenarios: Scenario 1Īssume that you perform a force failover because one of the pools is unavailable. You can't run the Invoke-CsManagementServerFailover cmdlet to perform a Central Management Store (CMS) failover (failback) after another failover is performed.
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