Detailed Error:
Database redundancy health check failed. Database copy: DATABASE_3 Redundancy count: 1
Error: Passive copy 'DATABASE_3\EXCH02' is not in a good state. Status: DisconnectedAndResynchronizing.
Name Status RealCopyQueu InspectorQue ReplayQueue CIState e ue ---- ------ ------------ ------------ ----------- ------- DATABASE_3\EX Disconnected And Resynchronizing 426 0 0 Healthy CH02 DATABASE_3\EX Mounted 0 0 0 Healthy CH01
=============== Full Status ===============
Identity : DATABASE_3\EXCH02 Name : DATABASE_3\EXCH02 DatabaseName : DATABASE_3 Status : DisconnectedAndResynchronizing MailboxServer : EXCH02 ActiveDatabaseCopy : exch01 ActivationSuspended : False ActionInitiator : Unknown ErrorMessage : The Microsoft Exchange Replication service w as unable to perform an incremental reseed o f database copy 'DATABASE_3\EXCH02' due to a network error. The database copy status wil l be set to Disconnected. Error An error occ urred while communicating with server 'EXCH0 1'. Error: Unable to read data from the tran sport connection: A connection attempt faile d because the connected party did not proper ly respond after a period of time, or establ ished connection failed because connected ho st has failed to respond.
ErrorEventId : 2058 ExtendedErrorInfo : SuspendComment : SinglePageRestore : 0 ContentIndexState : Healthy ContentIndexErrorMessage : CopyQueueLength : 426 ReplayQueueLength : 0 LatestAvailableLogTime : 14.01.2014 07:13:37 LastCopyNotificationedLogTime : 14.01.2014 07:13:37 LastCopiedLogTime : 14.01.2014 07:11:52 LastInspectedLogTime : 14.01.2014 07:11:52 LastReplayedLogTime : 14.01.2014 07:11:52 LastLogGenerated : 592826 LastLogCopyNotified : 592400 LastLogCopied : 592400 LastLogInspected : 592400 LastLogReplayed : 592400 LogsReplayedSinceInstanceStart : 0 LogsCopiedSinceInstanceStart : 0 LatestFullBackupTime : LatestIncrementalBackupTime : LatestDifferentialBackupTime : LatestCopyBackupTime : SnapshotBackup : SnapshotLatestFullBackup : SnapshotLatestIncrementalBackup : SnapshotLatestDifferentialBackup : SnapshotLatestCopyBackup : LogReplayQueueIncreasing : False LogCopyQueueIncreasing : False OutstandingDumpsterRequests : {} OutgoingConnections : IncomingLogCopyingNetwork : SeedingNetwork : ActiveCopy : False
Identity : DATABASE_3\EXCH01 Name : DATABASE_3\EXCH01 DatabaseName : DATABASE_3 Status : Mounted MailboxServer : EXCH01 ActiveDatabaseCopy : exch01 ActivationSuspended : False ActionInitiator : Service ErrorMessage : ErrorEventId : ExtendedErrorInfo : SuspendComment : SinglePageRestore : 0 ContentIndexState : Healthy ContentIndexErrorMessage : CopyQueueLength : 0 ReplayQueueLength : 0 LatestAvailableLogTime : LastCopyNotificationedLogTime : LastCopiedLogTime : LastInspectedLogTime : LastReplayedLogTime : LastLogGenerated : 0 LastLogCopyNotified : 0 LastLogCopied : 0 LastLogInspected : 0 LastLogReplayed : 0 LogsReplayedSinceInstanceStart : 0 LogsCopiedSinceInstanceStart : 0 LatestFullBackupTime : LatestIncrementalBackupTime : LatestDifferentialBackupTime : LatestCopyBackupTime : SnapshotBackup : SnapshotLatestFullBackup : SnapshotLatestIncrementalBackup : SnapshotLatestDifferentialBackup : SnapshotLatestCopyBackup : LogReplayQueueIncreasing : False LogCopyQueueIncreasing : False OutstandingDumpsterRequests : {} OutgoingConnections : IncomingLogCopyingNetwork : SeedingNetwork : ActiveCopy : True Resolution:
To resolve this issue, check if the database which is having the issue is over 1TB and if that's the case try to remove some users from this database to another database.
To view the users of this database using the following powershell cmdlet.
Get-MailboxDatabase "Mailbox Database 1" | Get-MailboxStatistics | Sort totalitemsize -desc | Export-CSV C:\mailboxes.csv
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