Slow logon on some Citrix PS4.5 Server in same farm

Hi,

I have aprox 25 Citrix PS 4.5 Rollup6 Servers, all running on Windows Server 2003 SP2, virtually on XenServer. All servers same farm.

4 of the Citrix Servers are experiencing slow logons, both ica and rdp sessions. When loggin in using a admin user there is no problem.

All 4 server are originally a clone.


Any ideas?

Rgds,
Hanne
cowiekspertAsked:
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cowiekspertConnect With a Mentor Author Commented:
Cloned new serveres, that works fine.
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Robin CMSenior Security and Infrastructure EngineerCommented:
Are you using roaming profiles? Check copy data from the console of the problem servers to your roaming profile location (i.e. the fileserver on the network), compare speed with a server that's not got the issue. Are the profiles roaming correctly to the problem servers?
You can enable userenv logging: http://support.microsoft.com/kb/221833
Look for delays in the timestamps of the entries in the log file.
Of course you've check the System & Application event logs?
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Carl WebsterCommented:
Robincm nailed it on the head: check the application and system event logs and turn on userenv logging.  Good job robincm :)
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cowiekspertAuthor Commented:
Hi,

Yes we are using roaming profiles. The location is not different than for the other server. I have already turned on  userenv logging, but cannot see anything "wrong", compared to a logon from another server.

The only event in Event viewer is: Windows has detected that Offline Caching is enabled on the Roaming Profile share - to avoid potential profile corruption, Offline Caching must be disabled on shares where roaming user profiles are stored.

I have to mention again that all these servers are a clone. I have run XenApp Cloning Tool.

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Carl WebsterCommented:
Have you turned off Offline Caching on the roaming profile share?
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Robin CMSenior Security and Infrastructure EngineerCommented:
I'd still like to know what network transfer rate you're getting from these servers to the roaming profile network store. If it's loads less than the other servers that's your problem.
We need to be able to rule out network connectivity issues (or not!).
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cowiekspertAuthor Commented:
I Will test this:)
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cowiekspertAuthor Commented:
Hi again,

I have now testet filecopy between different servers. It loads the same. I also turned off Offline caching on the Roaming profile share. I removed antivirus for testing purpouse, but no luck in that either.

When a user loggs in, the loginbox with "Running Logon Scrips".... hangs several minutes. But I can open programs while box is still there.... And again, when I login with a user who has admin rights it logs on fine.
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cowiekspertAuthor Commented:
So I tried to remove the logonscript from the user. No change. Deleted profile.
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Carl WebsterCommented:
What version of XenServer?  Did you disable all the Offload Checksum stuff?

http://www.dabcc.com/article.aspx?id=16659
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cowiekspertAuthor Commented:
XenServer 5.5

Disabled all 4 properties without any change.
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Carl WebsterCommented:
ANd there is nothing in the app or system event logs?

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cowiekspertAuthor Commented:
Only this:

DCOM got error "%%%1" attempting to start the service %2 with arguments "%3" in order to run the server:
%4
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rov17Commented:
Hi,

I would try to give the domain users group full control to HKLM\SOFTWARE\Microsoft\MSLicensing on the thin client/ Or the PC they useing ....  

http://forums.citrix.com/thread.jspa?threadID=237201&tstart=45



Then the next step if that didn't work would delete the License000x key on the Xenapp server

http://support.citrix.com/article/CTX123816

Hope that helps
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cowiekspertAuthor Commented:
The users can successfully log on to other servers on the same net, in the same farm. These servers are a clone of one of the other servers.
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cowiekspertAuthor Commented:
Nothing suggested by the experts did help.
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