Exchange 2010 - Decommission Server


We moved to Office 365 earlier this year.  We have a single on-premise Exchange 2010 server that is no longer used.  All mailboxes, contacts, distribution groups, public folders, databases have been removed. We manage Exchange users in Office 365 and AD accounts locally.

I need to make room on our rack and wish to remove our 2U old Exchange server.

All "mail" attributes have been populated properly for each user.  I believe this is the equivalent to converting all users to "mail-enabled" users.  I use a third-party utility for password synchronization and that's working fine.

Is there any compelling reason why I shouldn't uninstall Microsoft Exchange 2010 from the server, power it down and remove it from the server room ?  Am I missing anything critical ?

Thanks much.
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Are you using dirsync?
lapavoniAuthor Commented:
If you have complete the cut-over activity and all outlook clients are connected to Office 365 mailboxes then you can remove the Exchange server. If you want to manage the Office 365 using EMC then you can keep or else you can remove it.
Mark GalvinManaging Director / Principal ConsultantCommented:
If you have moved over to Office 365 fully then there is no reason to keep the old server running.

Some helpful articles from MS:

Hope that helps

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lapavoniAuthor Commented:
Thanks both for the suggestions. Thanks Mark for the links.
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