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