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Server 2003 to 2008R2 Migration

Posted on 2013-01-17
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Last Modified: 2013-02-05
I have just migrated from a Server 2003 standard to Server 2008R2 standard. The migration has gone great. All of the roles have transferred over and by all accounts everything seems to work correctly. BUT when the old 2003 server is removed from the network the new 2008 server drops almost 50% of the packets to the internet gateway. The new server can PING all of the other device on the local network without dropping any packets. Other workstations on the network can PING the internet gateway without dropping a single packet. When the old server is on the local network the new server can PING the gateway without dropping any packets. I have spent a couple of days trying to get to the bottom of this. Please help!!
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Question by:jbont
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by:Cris Hanna
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seeing an IPCONFIG /all from old server and new server would be helpful
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by:Matt V
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Also do a route print on the new server.
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jbont earned 0 total points
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I am sorry for the delay in replying.  It has been resolved.  The old server was powered off but the Ethernet cable was still connected to the NIC on the old server.  Some how it was causing all of the problems.  Disconnected the ethernet cable and it started working perfectly.  Crazy!!!
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by:jbont
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Its what fixed the problem.
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