Problem contacting Domain Controllers when logging locally to ISA.

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Hi all,

I have an ISA 2004 Standard Edition, installed on a Windows 2003 Server
member of our corporate domain.
The template used is Edge Firewall and all system policies are with default
settings.
Whe a domain user tries to log on locally on the ISA server machine it will
delay a lot of minutes before giving an error.
I start a logging to see what is happening and i see correct communications
between ISA and the DC's but when the user tries to log on i see that the
domain controllers tries to communicate with ISA and the conection is
denied. The rule field denying this connection is blank and protocol is
"Unspecified protocol", the ports used changes between 21486, 21488, 21490,
21493, 21496, 21502, and so on..

After realizing this i create 2 rules allowing full access from the isa pc
to the DC's and viceversa.
The problem and the logging is the same after applying these rules.

Can anyone give me a clue on what is happening?

thanks
Daniel.-


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