- You try to install a hotfix or an update rollup for Microsoft Exchange Server 2010 on Exchange Server cluster nodes that are part of a database availability group.
- You upgrade the passive node, and then you restart the server.
- You move the active mailbox database to the passive node that was upgraded.
PS] C:\Windows\system32>Update-MailboxDatabaseCopy db1\mbx1 -CatalogOnlyserver-side seed operation has failed. Error: An error occurred while performing the seed operation, which may indicate a problem with the source disk. Error: An error occurred while updating the search catalog files from server 'MBX2' to 'MBX1'. Error: Can't pause the search catalog. Error: Microsoft.Exchange.Search.Common.FteCatalogN tFoundException: SearchCatalog.PauseIndexing failed, error 0x80043629 ---> System.ComponentModel.Win32Exception: Unknown error (0x80043629) --- End of inner exception stack trace --- at Microsoft.Exchange.Cluster.Replay.SearchCatalogProxy.PauseIndexing() at Microsoft.Exchange.Cluster.Replay.CiFilesSeederInstance.<SeedThreadProcInternal>b__3(Object , EventArgs ) at Microsoft.Exchange.Cluster.Replay.CiFilesSeederInstance.RetryCiOperation(EventHandler evt) [Database: db1, Server: MBX1.tails.com] + CategoryInfo : InvalidOperation: (:) [Update-MailboxDatabaseCopy], CiSeederGenericException + FullyQualifiedErrorId : F03D6D,Microsoft.Exchange.Management.SystemConfigurationTasks.UpdateDatabaseCopy