Exchange 2010 DAG Status

Any action do I need to take for ContentIndex state failed after running get-mailboxdatabasecopystatus ? Tks

Name                                          Status          CopyQueue ReplayQueue LastInspectedLogTime   ContentIndex
                                                              Length    Length                             State
----                                          ------          --------- ----------- --------------------   ------------
UK\EX02                                       Healthy         0         0           3/12/2015 9:36:51 AM   Failed
HK\EX02                                       Healthy         0         0           3/12/2015 9:36:44 AM   Healthy
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You can copy the good index onto the failed one:

[PS] C:\>Get-MailboxDatabaseCopyStatus * | where {$_.ContentIndexState -eq "Failed"} | Update-MailboxDatabaseCopy -CatalogOnly

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From: Fix All Failed Exchange Database Content Indexes by Paul Cunningham at
AXISHKAuthor Commented:
Tks. Will it cause any harm if I ignore it ? Will Exchange recover by itself ? Tks
Having the index in the failed state will prevent failover.

Depending on the cause of the failure, Exchange may or may not be able to recover by itself. It's the times when it doesn't that will bite you, so make sure the monitoring scripts send you email when they see a database go into RED state (I think the default is after 20 minutes in RED). You can then monitor the situation and see if it corrects itself or if you need to do something like the above command to force the issue.

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AXISHKAuthor Commented:
Any idea ?
 [PS] C:\>Get-MailboxDatabaseCopyStatus <<<<  * | where {$_.ContentIndexState -eq "Failed"} | Update-MailboxDatabaseCo
py -CatalogOnly
    + CategoryInfo          : ParserError: (C:\>Get-MailboxDatabaseCopyStatus:String) [], ParentContainsErrorRecordExc
    + FullyQualifiedErrorId : UnexpectedToken

[PS] C:\Windows\system32>
AXISHKAuthor Commented:
Sorry it works, Tks
Glad I could help. I'm guessing that the line from Paul Cunninham was displaying a prompt that you had to trim off before pasting into a shell.
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