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Remove Exchange 2003 after upgrade to Exchange 2010

tsigells asked
Last Modified: 2015-02-28
In our exchange organization we have 10 Exchange sites, of which we have installed  Exchange 2010 in 5 of them on separate boxes.

In those 5 2010 sites, I would like to uninstall 2003 and get rid of the secondary servers.  The question that I have concerns Recipient Update Service in 2003 that points to the 2003 server that has 2010 install in the site.

Should, on the 2003 exchange site, point RUS at another 2003 box that is still operational and then uninstall 2003 in the 2010 site?

Or do I need to point the RUS for that server to the 2010 installation in that site.

Thanks in advance for your help...
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