Explorer hangs during search of network drive

TILLSAND
TILLSAND used Ask the Experts™
on
2 out of 10 networked computers exhibit this behavior. Using Windows 2003 domain network (all patches applied). All virus scanners report no problems with server or clients. These 2 problem computers can search C Drive without problem. I've done many tests to insure problem is not network-wire related. Server is not providing dhcp or dns, as Sonicwall TZ180 is doing this.

Event log has several errors which I believe are related:

Event 1053. Windows cannot determine the user or computer name. (The specified domain either does not exist or could not be contacted. ). Group Policy processing aborted.

Event 15. Automatic certificate enrollment for local system failed to contact the active directory (0x8007054b).  The specified domain either does not exist or could not be contacted. Enrollment will not be performed.

Event 1000. Faulting application explorer.exe, version 6.0.2900.5512, faulting module ntdll.dll, version 5.1.2600.5755, fault address 0x00028c0b.

Event 1001. Fault bucket 223121472.

Event 5719. No Domain Controller is available for domain SMITHKRANTZ due to the following:
There are currently no logon servers available to service the logon request. .
Make sure that the computer is connected to the network and try again. If the problem persists, please contact your domain administrator.

Also, 2 problem computers patched with XP Service Release 3.

Your thoughts would be appreciated. Thanks
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Systems engineer
Top Expert 2008
Commented:
Sounds like a DNS issue.

Does the sonicwall have the AD-specific DNS domains _msdcs, _tcp, _udp, _sites in the DNS zone for smithkrantz.local (or similar)?
Make sure the DHCP lease from the sonicwall configure the clients to *only* use the DNS server address that is authorative for the internal DNS zone. Trying to use (external) ISP servers that isn't able to resolve internal resources will give problems.

If the sonicwall router is only caching/forwarding DNS queries and can't hold DNS zones, it nead to be replaced with an internal DNS server that can be authorative for the internal DNS zone. Install DNS server role on the DCs and create the necessary DNS zone (forward and reverse). Configure the DNS zones to allow dynamic updates. Configure the DHCP scope on the router to have the clients to use the DC for DNS resolving.

Author

Commented:
You pointed out a long-unknown configuration error. The Sonicwall continues to be the DHCP server, but the DNS setting points to the domain server with the ip address 192.168.11.2, which was not the case before your Answer. The Sonicwall TZ180 was passing DNS directly to an internet DNS site (openDNS). The event log is now happy with no "red" errors. Thanks for your step-by-step help. - tillsand

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