VPN generates Internal Network logon problem
- From: "Allan Sabiski" <allans*nospam*@ics-limited.com>
- Date: Fri, 14 Jul 2006 16:59:56 -0400
We have a SBS2003 premium with ISA 2004.
Most times, whenever someone logs in and out via VPN, existing connections
seem to be fine, however, when a client logs in after the VPN connection,
then the NETLOGON process (and all other authentication) is painfully slow.
DHCP seems to also sometimes fail to generate a DHCP address to the client.
When the problem exists, there are no error messages reported at the server,
the server health status seems to be fine.
The problem is cleared by rebooting the server and clients. This does seem
to show some DNS error records. 4004 Unable to complete directory service
enumeration and 4015 DNS server encountered a critical error from the Active
Directory extended error 51.
Under normal circumstances without using VPN there seem to be no errors and
everything runs normal.
Any ideas where to start looking ?
Thanx
Allan
.
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