James,

you can switch off SMB2 on the server and the workstation. I do this and have no problems.

See this for instructions:

http://www.petri.co.il/how-to-disable-smb-2-on-windows-vista-or-server-2008.htm


>Thanks, Tore ...
>
>Not what I wanted to hear, of course, but at least a definitive answer.
>
>>>Over the weekend, we changed from a Windows 2003 R2 server and are now on a Windows 2008 R2 server.
>>>
>>>We are now getting sporadic problems with reports of corrupted tables or indexes, like this:
>>>
>>>ERRORNO: 2091
>>>MESSAGE: TABLE 'Z:\APPLICATIONS\DATA\KOIN\KTRACK TAG HISTORY.DBF' HAS BECOME CORRUPTED. THE TABLE WILL NEED TO BE REPAIRED BEFORE USING AGAIN.
>>>
>>>However, the problem disappears.
>>>
>>>This seems to be happening to random users, random files, nothing I can make heads or tails of.
>>>
>>>Anybody encountered this before?
>>
>>Message ID: 1566690