In one of our sites we are experiencing the following issue:

If the user has Read Only access to a excel document, when trying to open this we do get an error saying that Excel cannot find such document. If the user has full rights, then is OK. This only happens when the workstation is a Windows 7 Professional (32b or 64b), when the platform is XP, we do not have any problems at all!!

File Server is SLES 10 SP3 + OES 2 SP2a
Client is W7 Professional dutch
Office is 2K3 Std. Ed.

Any suggestions??

Thanks in advance,