When attempting to "Refresh" or change my server selection on the Data Link Properties window all three of my production servers just freeze up and I have to End Task. Nothing suspicious in ProcMon.
These are not my screenshots but you can get the idea here:
Also see links here: http://support.microsoft.com/kb/306881/en-us
I am able to programmatically connect/change my ODBC so it appears something with the way the GUI attempts to create the connection string or find the servers/databases shared on the network. We're fully operational other than this so it's not a network issue.