VPN, then LAN, 0x8004011D, what happened?

We had an issue with people synching to Exchange this morning.  We have Outlook 2003.  We got the 0x8004011D issue.  The only common thread between the users is that they all went a sales conference where they were connected wirelessly to the hotel's network.  They come back and now all of a sudden they can not connect locally.  Any ideas?  

We tried deleting and recreating profiles, checked networking info, etc.  Any idea why they would be the only ones with the issue out of ~160 users?
mvinesAsked:
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2PiFLCommented:
Check the C:\WINDOWS\system32\drivers\etc\hosts file to ensure no stray entries wound up in there.
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mvinesAuthor Commented:
We spoke with Microsoft and determined that it was a combination of the following problems:

Virtual Memory higher than Physical Memory

http://go.microsoft.com/fwlink/?linkid=3052&kbid=197379 

Some problems occur after installing Windows Server 2003 SP2

http://support.microsoft.com/kb/944011 - bad link

 
This server has 1 GB or more of physical memory and HeapDeCommitFreeBlockThreshold has not been set to 262144

http://technet.microsoft.com/en-us/library/cbc2b55c-f850-47f7-a414-cc01b91a01a6.aspx - sal took care of

 

This Exchange server has less than 1 GB of memory but has the /3GB and /USERVA=3030 switches in the boot.ini file

http://technet.microsoft.com/en-us/library/2d63b567-c73c-4cc7-bd95-77b18749219b.aspx 

 

SystemPages set too high

http://technet.microsoft.com/en-us/library/644410c7-3620-452d-b4b7-37ba368c30de.aspx
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