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Shut off old server - Everything SLOWS down

Posted on 2013-12-17
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Last Modified: 2013-12-19
Client had a Windows 2003 server with a couple Line of Biz apps and QuickBooks.  I moved everything over to a Windows 2012 server.  They are both in the domain, one is SERVER1 the other is SERVER2.

When I shut SERVER1 down, which we obviously want to do permanently at some point, all the applications get very slow, including QuickBooks.  I have looked at DNS settings, the new server only hands out its own IP as DNS and WINS.  I made sure the folders for his LOB apps are not shared on the old server, so no one can attach by accident.

Any place I could start looking to see WHY this happens?  As soon as we turn the old server back on, everything seems to speed up again.
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Question by:dougp23
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KCTS earned 500 total points
ID: 39724644
Check that the new server has DNS installed and that clients are pointing to the new server for as their preferred DNS server.
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by:kshays
ID: 39724714
^^
That's usually the #1 issue when things slow down is workstations not pointed toward the proper server that holds the DNS role.
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