Revert OAB Generation from 2013 to 2007 server (Full Version)

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MikeD -> Revert OAB Generation from 2013 to 2007 server (11.Jul.2015 9:45:54 PM)


I have a situation where the business decided to revert it's decision to migrate from 2007 to 2013 after already giving me the go ahead to proceed with the migration...

Anyhow, as part of the steps leading up to removing the 2013 server, I need to switch the OAB generation back to the 2007 server.

From the 2007 EMC, it tells me the OAB generation rule was created on a newer version of Exchange (v15) and to use that server to modify or update this rule (even if I simply try to set the old 2007 OAB rule back to "default").

I can't seem to figure out how to set the 2007 OAB rule as the default rule from the Exchange 2013 server web mmc or shell...

Any advice would be appreciated!

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