Replacing 2003 r2 server with 2008r2. Slow client access after disconnecting 2003.

Asked Nov 16 '13 at 14:24

Active Nov 16 '13 at 19:38

Viewed 270 times

After performing the following steps, network access slows down significantly when finally removing the 2003 Server:

I added a new 2008 R2 server to an existing network with a single 2003 Server (AD and file server roles).
Transferred the FSMO, DNS, DHCP and file shares.
Changed the mappings on the workstations.
Successfully removed AD from old server, nothing depends on it any more.

All works fine (main application Softdent).

As soon as I disconnect the old server, network access slows down significantly. Mostly noticeable in Softdent.

The problem goes away as soon as I connect the old server back.

How would a (seemingly) inactive 2003 server influence the speed of client access to the new one? I have a mix of Windows 7 and XP clients

edited Nov 16 '13 at 19:38

Petter H

asked Nov 16 '13 at 14:24

user2828557

What happens if you change the IP address on the 2003R2 server? – Keith Stokes Nov 16 '13 at 15:19
1

Have you updated the primary DNS record of everything to point to the new 2008 R2 server? – Rex Nov 16 '13 at 19:51
DNS was updated. Will try changing the server 2003 IP and report back. – user2828557 Nov 16 '13 at 22:40

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