OSX Server 10.6.8 Mac Mini

LAN: OSX 10.4 / 10.6 / 10.7

When users view a word document on the server by opening and closing the file it will change the modification date.
We have just recently migrated from a 10.4 rack mounted OSx server to the Mac Mini Server and this was never an issue, unless of course you made a change to the document.

Does anyone feel my frustration and have any ideas?

Mac mini, Mac OS X (10.6.8), Mac Mini Server 10.6 .8