Saving Files in Office 2007

I am trying out Vista for business, connected to a Windows Server 2003 64 R2.
Every time I try to save a file in nay office 2007 application I get various
error messages, from Unable to save file in Excel to " There has been a
network or file permission error. The network connection may be lost. I know
I have a good connection, I log into the server as a member of the domain
with administrative privlidges. When I exit Access 2007, it deletes my
database because it deletes the file and then can't save the compacted file.
All users have full control for all files on the server. Any help would be
greatly appreciated. Thanks in advance.
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Allen Powers
Glens Falls, NY