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Why are machines slowing down after removing local server

By Charvell ·
We transitioned our users network shares to a SAN, remapped printers to a different server, and disabled DHCP on their local server (we have helper routes in our router that direct their DHCP requests to a server in our data center). We've been operting like this for approximately 3 weeks. This is one of our remote branches, so we weren't able to get to the location to remove the server until recently. After removing the server, everyone end users PC is has slowed down very noticably. Things as seemingly simple as clicking on the start menu take 20-30 seconds to respond. All the machines have 2.2GHz processors or greater, and a minimum of 2GB of RAM. De-fragging the HDD has not solved the speed problem. Is there anything in removing that server physically that could be causing this that I am missing?

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a thought....

by ---TK--- In reply to Why are machines slowing ...

was the DHCP server also a Domain controller for that site?

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Sort

by Charvell In reply to a thought....

They were backup domain servers.

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K.... well....

by ---TK--- In reply to Sort

thats probably your problem. Even though they were back up domain controllers, each PC in the site was probably authenticating to them. Plus did you demote the BDC's properly?

I would put them back in, edit their log in script to add the printers and network shares and be done with it.

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also....

by ---TK--- In reply to K.... well....

on some of the machines if they are Windows boxes I would try at the cmd prompt: ipconfig /flushdns then ipconfig /registerdns.

see if that helps

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Workstations are still looking for that server.

by Kenone In reply to Why are machines slowing ...

Go in and clear out "Network Places" also disconnect any drive mappings to that server.

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Already done

by Charvell In reply to Workstations are still lo ...

All network drives are mapped to other servers, and I have deleted all shortcuts to network locations that were on the removed server. Or are you suggesting that I uncheck Automatically Search for Network Folders and Printers?

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Eventlogs

by Brenton Keegan In reply to Already done

Check the application and system event logs to see what the computer is doing when it's slow. It will tell you if it's trying to hit the old server.

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What OS are the workstations running ?<NT>

by Kenone In reply to Why are machines slowing ...
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Windows

by Charvell In reply to What OS are the workstati ...

XP Pro on all of them. Server OS is Windows Server 2003.

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From a slow workstation

by Kenone In reply to Windows

Double click "My Network Places" look for any reference in that list to the old server, delete any you find & reboot.

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