Slow logon to Active Directory, through VPN tunnel

[Franz Christensen]

Hi Ng

I'm trying to figure out what the reason for extremely slow logon is, using
the following setup:

I have an Active Directory, with two DC's running DNS. Using VPN i logon on
to a Watchguard firewall, with a Mobile User VPN client and get TCP/IP up
and running. Now I would like to logon to my DC's, but this process is very
slow... it takes about 7-10 minutes to get to the desktop, efter I've
entered my username and password.

Any of you have an idea as to why it takes so long?

 

[Bill Sanderson]

Usually, the answer to slow and AD logons is DNS settings, I think--look at
the DNS settings for the VPN connection.

 

[Jeffrey Randow (MVP)]

Also make sure that the DNS servers on both DC's provide service for
your local domain... We had the case where we had a caching DNS
server for internet access as the main DNS server for a client and it
caused the same problem..

Jeffrey Randow (Windows Networking & Smart Display MVP)
(e-mail address removed)

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