Any M$ 2003 Server gurus out there?

[Volt]

Ok, known issue all over the internet but I can't track down a fix.

Issue: Shares are becoming unshared at random times. No files disappear. The folder cannot be re-shared, the option is not there to share when I right click on the folder. The folder is automatically re-shared after a reboot and the clients can use their files with no issues. XP clients. No domain, simple file server, I do not have access to the DNS server but do not suspect a duplicate name/IP as the folder is becoming "unshared" not just unavailable.

I have no problems connecting to it long distance over the Internet. So, my first thoughts are DNS, NIC, etc are all good. This problem based on research seems to affect various types of 2003 servers.

2003 Enterprise Server SP1 - not completely patched but that does not seem to fix the issue based on others posts.

Many people are reporting the same issue but I can't find a solution. Any ideas would be appreciated.