ADSM-L

[ADSM-L] Exchange TDP backup queries mailbox history on TSM server leading to errors in event log

2014-11-06 02:55:44
Subject: [ADSM-L] Exchange TDP backup queries mailbox history on TSM server leading to errors in event log
From: Sven Seefeld <sven.seefeld AT RRZ.UNI-HAMBURG DOT DE>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 6 Nov 2014 08:54:33 +0100
Hi,

we're running TDP Exchange 7.1 against MS Exchange 2010.
The windows system log of the TDP datamover are literally flooded by error messages like this one:
Cmdlet Get-Mailbox, Parameter {Identity=f2bf81eb-efeb-4fdb-b6a7-08c4e01a82c8}

After running some traces with level 2, we finally found that the TDP cmdlet queries the Exchange mailboxhistory on the TSM server for a GUID, hands it over to the corresponding AD controller to get the mailbox location to perform backups.

That works for all _active_ mailboxes/users, but, obviously, fails for deleted ones:

23.10.2014 13:29:46.939 [002280] [4032] : psex07ut.cpp (1848): CreateExchange2010PowerShell(): Command-> Get-Mailbox -Identity f2bf81eb-efeb-4fdb-b6a7-08c4e01a82c8 23.10.2014 13:29:46.971 [002280] [4032] : psex07ut.cpp (1852): CreateExchange2010PowerShell(): Invoke has returned. psh->Streams.Error.Count = 1. 23.10.2014 13:29:46.971 [002280] [4032] : psex07ut.cpp (1859): CreateExchange2010PowerShell(): Error message: 'Der Vorgang konnte nicht ausgeführt werden, weil das Objekt 'f2bf81eb-efeb-4fdb-b6a7-08c4e01a82c8' nicht auf 'XXXXXX-DC1.XXX-XXXX.de' gefunden wurde.' 23.10.2014 13:29:46.971 [002280] [4032] : psex07ut.cpp (1899): Exit CreateExchange2010PowerShell(), rc = 1856

So, guess what, level 2 came over with the usual "solution":
Ignore all errors, product is working as designed, as we've already opened a docu-APAR:
http://www-01.ibm.com/support/docview.wss?uid=swg1IT03558
Or: play around with "show version" and "delete object" directly on the TSM server to get rid of the deleted mailboxes in the mailboxinfo. Running "show version" generates several GBytes of data, so finding the right object-id is more or less like a raffle prize.

Actually, we don't care if the mailboxhistory never expires on the TSM server, but: Querying the "old" mailboxhistory on the TSM server for mailboxes to be backed up instead of just asking Exchange / the AD controller for it? Sorry, but we don't see the point.


Has anybody worked around this issue? Any hints appreciated.



Best regards,


   Sven

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