Re: Group policy performance over the WAN
- From: "Anthony [MVP]" <anthony@xxxxxxxxxxxx>
- Date: Sat, 7 Jun 2008 20:56:56 +0100
SRG,
Do you have firewalling between the sites?
What errors do you have in the client logs?
You can use userenv debugging to see what is going on that takes so long:
http://support.microsoft.com/kb/221833
Anthony,
http://www.airdesk.co.uk
"SRG" <SRG@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:81165043-BBDB-4628-8CFD-8DED9E0E51AA@xxxxxxxxxxxxxxxx
Okay so remote sites have at least a T1 of bandwidth available to them.
Not
an option to put a domain controller at these remote locations. To get to
the desktop where one can login it takes about 10 minutes, to get to the
desktop after login takes about 10 minutes and to get to a fully
functional
desktop takes about another 10 minutes. I did a packet capture and the
login
process was about 50,000 packets. It was apparent there were a lot of
resends. I noted that the group policy and scripts are running from the
sysvol which means they are running via SMB and more so w/ core transfer
method at boot up. I realize it is common for SMB to cause ridiculous
resends over a WAN so I adjusted the sizreqbuffer and TCP Window Size on
the
domain controllers and file servers. The file servers do appear to have
better performance, the Domain Controllers do not. I did see some
fragmented
packets but not too many including everything 1400b and above is
fragmenting
due to overhead outside of my control. We are not able to set for the
group
policy to run in the background and we have quite a few policies that are
not
a choice, we must run them. I still think this is revolving around SMB
causing the group policy to resend and resend and resend. Any advice
anyone?
.
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