Here's what I am working with:
Clients: (6+) Windows 7 (Ultimate & Professional), (1) Windows XP Pro SP3
(DHCP Assigned IPs)
AV: Symantec Endpoint Protection v11.0.5 (Managed)
NAS: FreeBSD 6.4-RELEASE-p3 (revision 199506)
0.69 Kwisatz Haderach (revision 4276)
(Static IP, resolves from all clients)
MS AD Domain (2003 Native Funct-Level): Mix of 2003 & 2008 (no 2008 DCs yet)
(All Static IPs)
Up until a month ago everything was working beautifully. My Win7 Clients, after making the necessary Local Sec Policy adjustments for the NTLM Authentication Level, could connect to the WinXP Machines shares and FreeNAS (without shutting down Samba). Then all of a sudden, just like when I first began testing Win7, the Win7 clients could no longer access the NAS. Additionally (UNLIKE before) Win7 machines are now unable to connect to the even WinXP or Win2003 shares. Every attempts results in "Windows cannot access \\MachineName".
The WinXP Machines can STILL connect and browse the Win7 files, NAS, AND the 2003 servers (so, no lost data).
I've beaten my head against the wall researching possible culprits as I am rather sure this can't be an isolated incident. The event logs on the Win7 Machines do not show anything for the time period when I try to access either the NAS shares or the WinXP shares.
I did find a couple of postings which pointed to creating a couple of registry entries to disable Samba v2.0 and v3.0 (DWORD 'SMB2' = 000000) but that didn't seem to do anything.
I NEED to get to the FreeNAS (from the other machines without logging onto an XP device) and the WinXP shares from the Win7 Machines.
BOTTOMLINE : The Win7 machines seem unable to see ANY Shares on ANY machine (Even my Win2008 server.....REALLY strange)