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Applying group policies over slow links

Posted on 2013-12-03
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Last Modified: 2013-12-04
Hi experts.

First, as with all my latest questions, a "disclaimer": Please only participate if you have met and solved this very problem yourself before.

We use several laptops (win7 x64, domain joined) that connect to our domain via VPN. The network connection can be really slow as it is hotel WLAN or UMTS, sometimes under bad conditions.
Problem: for our users, applying GPOs (computer and user level) takes too long, it takes some time to logon. We would like to apply the GPOs after logon.

My plan was to set the startup type of the Group policy client service to manual and start it after logon via a scheduled task. This works, but introduces a new problem: standard users may not logon any more. I searched, found a hack, http://ayuanx.wordpress.com/2011/08/05/disable-group-policy-win7/ - but that introduces new problems, which I will not spread out here.

Disclaimer, part II: I am also well aware that "slow link detection" exists, but it does not make it any better. Also, using local users, working without the network connection is not an option.

What could I do instead?
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Question by:McKnife
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Assisted Solution

by:Sarang Tinguria
Sarang Tinguria earned 1000 total points
ID: 39693365
Hello McKnife,

Have you checked this.??

Apply Group Policy for computers asynchronously during startup
http://msdn.microsoft.com/en-us/library/ms812908.aspx

Apply Group Policy for users asynchronously during logon
http://msdn.microsoft.com/en-us/library/ms812997.aspx
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Author Comment

by:McKnife
ID: 39693497
Hi Sarang.
Where do I find the user policy you mention on a modern DC (2008 and up)? It seems to have changed since Windows 2000, it is nowhere to be found.
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Mike Kline earned 1000 total points
ID: 39693540
It is also known as fast logon optimization (async processing).  It is on by default now  http://technet.microsoft.com/en-us/magazine/gg486839.aspx

Have you downloaded the Windows ADK and tried to analyze the boot time.  Matt Reynolds has a great presentation on it  http://channel9.msdn.com/Events/TechEd/NorthAmerica/2013/WCA-B317#fbid=LVRiUypTE1s

Thanks

Mike
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Author Comment

by:McKnife
ID: 39693593
Hi Mike.

I know. Fast logon optimization should be at default, that is: on. Nevertheless when logging on, we see policies applying for about a minute at 5mbit per sec umts.

It's not the boot time. That's very fast.
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Expert Comment

by:Sandeshdubey
ID: 39694645
What policies you have applied can you lets know if is causing delay in time.Check the event log on client computer for any failure og GPO.Have a look at this too.

Group Policy and Logon Impact
http://blogs.technet.com/b/grouppolicy/archive/2013/05/23/group-policy-and-logon-impact.aspx
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Author Comment

by:McKnife
ID: 39694803
Let me "set this on hold". Some misconfiguration was found.
Will be back soon, I think it is soon solved.
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LVL 57

Author Comment

by:McKnife
ID: 39694834
Ok, solved.
Misconfig: For diagnostics, the local policy "always wait for the network" was set, which equals shutting down the fast logon optimization. The option was simply forgotten to be taken back. Duh!

I will split the points as you both helped.

I will ask a related question soon, two even, if you are interested. I'll share the links here soon.
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Author Closing Comment

by:McKnife
ID: 39694835
Thanks!
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Author Comment

by:McKnife
ID: 39694911
See http://www.experts-exchange.com/Software/Server_Software/File_Servers/Active_Directory/Q_28309822.html
[the second related question mentioned won't follow, also solved]
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Expert Comment

by:Sarang Tinguria
ID: 39695147
Glat to hear that specific issue has been resolved
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