XADM: Preparing a Mixed Mode Organization for Conversion to Native Mode
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Unable to move to native mode in Exchange 2003
The "Change Mode" mode button to move from mixed to native mode Exchange 2003 is greyed out after removing the last Exchange 5.5 server from the organisation.
We had an Exchange site with an Old 5.5 server and a new 2003 server. I had moved all the mailboxes and public folders across as part of the migration and got to the stage where the last (and in our case only) 5.5 exchange server was to be removed. I found what appeared to be conflicting notes on this from Microsoft. On the one hand they recommended running up the Exchange setup program and uninstalling the 5.5 server. But for the last 5.5 server they recommended removing the server using the 5.5 admin program logged into the 2003 server. Then forcing replication on the ADC Tool. This is what I did and all seems OK. However, now I don't have the option to switch to Native mode - why?
Thanks
Mac
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Answers
The option to switch to native mode will appear when all SRS servers are gone and all admin groups are in native mode. First, go into ESM and delete any SRS's that still exist. Next, open ADSIEdit and pull up the properties on every AG in the org. Check the msExchAdminGroupMode attribute, and make sure every AG has it set to 0. Once this is the case, you should be able to switch to native mode. Just make sure any 5.5 server is far gone cause once you do this there isn't any going back.
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by: MrLonandBPosted on 2007-06-30 at 09:21:43ID: 19396295
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