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Why does the Exchange Database DAG status sensor show "This database is not a DAG-member"

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We have added an Exchange Database DAG status sensor for each of the databases on our each of DAG members (Exchange 2010). The sensor has no problem showing all the databases and receives data for them successfully. However, the last message on all of the shows "This database is not a DAG-member".

Any idea why?

PRTG is version 16.1.21.1422

dag database exchange

Created on Feb 2, 2016 11:11:17 AM by  Fernando Viñan-Cano (0) 1



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we are aware of the issue. We have seen this three or fore times so far but can not pinpoint to the source of the issue.

It could be a configuration or patch level issue.

In general the text can be ignored. The sensors work as they should regardless of this information text.

Created on Feb 3, 2016 10:13:06 AM by  Aurelio Lombardi [Paessler Support]



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we are having this issue too and had my exchange adminstrator pondering it. also wanted to know what the powershell commands it was running and wanted to see what it was returning.

we are running latest exchange 2010 with all the SP and rollups.

Created on Mar 4, 2016 2:25:45 AM by  Nick (0)



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Hi Googol,

PRTG will execute the 'Get-MailboxDatabaseCopyStatus' CMDlet. The This database is not a DAG-member message will be returned if there is no 'ActivationPreference' value.

Best regards, Felix

Created on Mar 15, 2016 9:46:12 AM by  Felix Saure [Paessler Support]



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Felix.

"Get-MailboxDatabaseCopyStatus" only returns ActivationPreference for Exchange 2013+

For Exchange 2010 the command is "Get-MailboxDatabase | Select Name, ActivationPreference, Server"

This explains why your sensor is broken on Exchange 2010

Cheers, Fernando

Created on Mar 15, 2016 10:19:25 AM by  Fernando Viñan-Cano (0) 1



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Hey Felix -

We are seeing the same issue. Using the Get-MailboxDatabaseCopyStatus CMDlet on the Exchange server does not return the parameter ActivationPreference. Can you provide the exact command that is being used?

Created on May 20, 2016 1:56:10 AM by  bdawson (0)



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Hi,

Does the command from Fernando work for you? Which Exchange version are you using?

Best regards, Felix

Created on May 20, 2016 10:37:32 AM by  Felix Saure [Paessler Support]



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