Slow shortcut response time with w2k3 server

Just migrated from Linux to W2k3 server and I am having a terrible time when I try and use any shortcuts from my XP clients.

Shortcuts take over 30 seconds to open the file, even when I click on an HTML link from within outlook (not using exchange) it takes over 30 seconds to bring up a page.

Open a file directly or entering an HTML link in the browser works fine.

Tried flushing the DNS cache.

Currently I am using my router as the DNS server also

Not sure where to look next.
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rettif9Connect With a Mentor ManagerCommented:
Configure your SBS server as the DNS server for your network 
Then configure all workstations to point to server for DNS or run DHCP on server
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