We've a strange problem here on a Server 2003 for SBS machine.
We've a number of shared folders which are all mapped to the client PC's during log-in.
Intermittantly, access issues appear.
For example today, the Users or Groups in the Security tab of the shared folder have been vanishing.
We've had similar problems before, but thought it was a network issue.
Today, out of the 8 mapped drives, two of them (the most frequently used) have lost the above settings. We can add the group back into the list, reselect 'Allow' full rights and then apply that to all child folders etc. It will rebuild and then we can get access. Then after a period of time (maybe 2 minutes, maybe 20) the sub folders start to deny access, then the main shared folder will deny access.
Checking the Security tab again shows it to be empty.
We've never seen this before and can find no reason for it to happen. It's been doing this on and off for a number of months and sometimes will do it for a while, then stop of 5 or 6 weeks.
(Since this has been happening, we've replaced the hard drives, changed the memory, the cpu and the motherboard. The network swtiches have also been replaced.)
Any help would be appreciated as we're running out of ideas.