[cisco-voip] Migrate Subscriber Data issue in Unity

[Jason Aarons (US)]

I recommend always upgrading to Unity 4.2 (has a lot of bug fixes), then install latest DIRT backup and latest COBRAS Export, check Event Viewer log files before you get started. I'm overcautious and paranoid about losing data.

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of James Buchanan
Sent: Friday, April 16, 2010 7:34 AM
To: James Buchanan; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Migrate Subscriber Data issue in Unity

Hello again,

I think we may have found it.

The Unity server was pointing to an invalid DC and GC. We did not know this because generally the customer did not change the backend AD user for VM-only users when changing the VM box. So, AD changes were really infrequent-until yesterday.

We fixed the GC/DC issue using the reconnect tool. However, we did not force it to do a full sync. It would have done one on its own, but we did not give it enough time to complete one. So, when we rebooted, the changes were lost (unless of course it had already given up, in which case they were lost anyway).

So, the rule of thumb would be to look in the log for Migrate Subscriber Data and make sure you have no errors. We saw an error -2143027020 (or something like that) repeat a lot during the process that resulted in the failure. This appears to be the error that got the ball rolling.

Thanks,

James

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of James Buchanan
Sent: Thursday, April 15, 2010 8:42 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Migrate Subscriber Data issue in Unity

Hello,

At a customer, they ran Migrate Subscriber Data to migrate 110 Unity 4.0(5) users from VM only to Unified Messaging. The process showed as having run successfully. However, after exiting the tool and allowing the Directory Synchronization to finish, messages still were not delivering to the correct places consistently. We eventually decided to reboot the server in case there was a MAPI cache issue due to the change of the Information Store for the user accounts as well.

Upon doing the reboot, 75 of these 110 accounts were deleted from Unity. The stream files, user, all of it. The AD user still existed as well as the messages in Exchange (though they had not migrated). Basically, MSD lied about doing the migration properly.

Unity is 4.0(5), no ESes that I'm aware of.

Has anyone seen this behavior before?

Thanks,

James




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