This is a W.A.G. 
Does the renewal process need port TCP 135 (DNS/DHCP management tools)?
I know it doesn't sound right, but worth a look...

-----Original Message-----
From: Wes Owen [mailto:[EMAIL PROTECTED]] 
Sent: Monday, April 22, 2002 1:58 PM
To: NT 2000 Discussions
Subject: DHCP ports.


I am using IP Security in W2K.

I am blocking all ports between the servers except for ports 67 and 68.  

I can release and renew the address, but when a lease expires it is unable to
renew the address.

Can anyone tell me how the process is different between manually releasing and
renewing and automatically releasing and renewing or provide any other info that
may help?


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