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terminal server logon issue

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by azam

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hi,

we are using windows 2000 terminal server (sp2) (application mode)with citrix metaframe 1.8.

some times my users can not logon to terminal server. when they try to connect to terminal server, it connects to terminal server but instead of giving logon screen its just hang with blue screen.

there is no event in the event viewer. i try to stop and stop most of the services but it doesn't work.

we check the process everything seems to be normal, cpu usage is around 10 % and we have 4gb of memory.

to solve this problem for time being i have to restart the server.

we did not make any changes or did not install any new software.

this problem is not frequent, but it happens atlest twice in a month.

if any one come accross this issue or know any thing about it pls. let me know.

Thanx in advance

11 replies

by mvesce

To help with your troubleshooting you can most likely eliminate any variables that could point to the citrix metaframe being the culprit. This being because I have seen this symptom several times without the use of Citrix. What is your means of connectivity? I have never seen this issue with a frame or ATM connection and obviously local connection. The times when I started seeing this symptom was with VPN Connections. It is quite sporadic. I have tried cutting down the encryption level inTerminal Server Configuration on the particular Terminal Server to low. Hope this helps a little in your voyage to solution.

by banyanman

Question I have is are you ending idle and disconnected sessions after a period of time. I have have seen terminal server "application mode" hang when there have been many inactive or disconnected sessions. Once we changed the RDP-Tcp (Terminal Services Configuration - sessions) properties to end idle and disconnect sessions after an exceptable period of time it seemed to fix the problem.

by nbcasey

This happens occasionally on some of my Terminal Server boxes as well. For me, 9 times out of 10, its McAfee causing the problem. You didn't mention if you were running any anti-virus solutions, but if you are, you may try stopping that the next time it happens. Also, when you are getting just the blue background, do you get the same results with both ICA & RDP?

by cdue

This is also known to be an issue imposed from citrix and may come from more situations as I know of:
1. Hung listner (ICA), you may try one time you have a very small numbers of users since they will be kicked out while trying this: reset the ICA listner itselves resolves this. This very often "fix'ed" in the variuos SP's from Citrix, take a look at them you may want to upgrade your citrix install. (SP2 is a favourite of mine)
Note: The reply above indicating the timeout settings for disconnected session is almost a must, since it both takes up rescources as well as beeing a "problem for reconnecting users".

2. How are you licensed? Typically an issue if you have more servers. Set the License pool to 0
3. More than one Server? Try to configure only one to be master browser and one to be backup browsemaster: (using MF admin)
4. The silly one: did you look at the max number of concurrent user? ( I cannot remeber the default since I always run a script to update this)
5. The least but still possible one: In MF admin there are settings for LB-affinity. Set these back to default if you ever changed them

cd..

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