[THIN] Re: Session Down State

  • From: "Hamilton, Ronnie" <ronnie.hamilton@xxxxxxx>
  • To: <thin@xxxxxxxxxxxxx>
  • Date: Wed, 14 Nov 2012 09:56:08 -0000

Hi Pat,


One question on the stability patches do you apply in any particular
order ?


Just wondering do I always need to apply the session down fix last ?





From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Pat Coughlin
Sent: 14 November 2012 04:43
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Session Down State


That is a different  problem.  10000 is aa differentload evaluator
tripping.  Some of the patches post sp2 seem to fix down session issues.
Test for yourself,  but i sleep  better when my boxes are fully patched
both with the security fixes and the specials from my list.

Pat Coughlin

On Nov 13, 2012 11:37 PM, "Angela Smith" <angela_smith9@xxxxxxxxxxx>

Hi Pat
Can you confirm your server load goes to 10000 when this occurs.  I have
an issue where session is in a down state and load=10000
Just want to reconfirm before applying these hotfixes.  Like you the
down state issue occurred after patching..


Date: Tue, 13 Nov 2012 22:56:47 -0500
Subject: [THIN] Re: Session Down State
From: strangedog@xxxxxxxxx
To: thin@xxxxxxxxxxxxx

Per MS, the issue indeed extends to both listeners, ICA and RDP.  There
has not been a security hotfix for Termsrv.dll for years.  A couple of
supporting components got hotfixed in March, but termsrv.dll was left
out.  Either of the two articles below fix the issue.  I use the newer
one (977629) as it has tested without issue and might keep me out of hot
water down the road.





Here is the Citrix writeup: http://support.citrix.com/article/CTX133141

Here is Microsoft's writeup: http://support.microsoft.com/kb/2653956


This is good info to keep on file for anyone dealing with
Citrix/Terminal Services on 2003.



Patrick Coughlin



On Tue, Nov 13, 2012 at 7:45 AM, Andrew Wood
<andrew.wood@xxxxxxxxxxxxxxxx> wrote:



Makes sense to me. 


I only ever experienced the issue in a full TS environment (well XenApp
actually). But it could happen either to RDP or ICA connections. Rarely
both at the same time - so you could be limping along with RDP broken
and ICA fine, or vice versa. In the event log there would be an error
message along the lines of an RDP (or ICA) component (a .dll) was
missing/corrupt/illegal - so the service was unavailable. There was a
suggestion in other KB articles that AV was modifying  the file in some
way and it should be excluded. This was not the case. 


I found the only way to fix the problem was to rebuild up until I came
across the patch.





From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Hutchinson, Alan
Sent: 13 November 2012 12:10

To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Session Down State



Does this apply to any server (Windows 2003)? i.e. terminal services as
opposed to a pure terminal server. We're occasionally seeing a down
RDP-Tcp listener after a reboot but not just on terminal servers.
Curiously those that are terminal servers usually have the ICA-Tcp
listener up !!. Seems to happen more on our VMs (VMware) but last week I
had it on a physical box. It's not 100% clear from the KB below.


Let me know if any of that didn't make any sense.







From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Andrew Wood
Sent: 12 November 2012 17:15
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Session Down State

..was just typing *this will be it* .. then I see Ronnie has already


From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Raffensberger, Stephen D
Sent: 07 November 2012 13:14
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Session Down State




Try this...http://support.microsoft.com/kb/958476


Steve Raffensberger

Produban US


From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
Behalf Of Hamilton, Ronnie
Sent: Wednesday, November 07, 2012 5:36 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Session Down State




Just been patching my Windows 203 Servers with the last 3 months windows
patches, I was my doubts  but have now proved that when I put these
patches on every time I reboot I get a session down.


I have just finished rebuilding a couple of servers and have one still
to do. 


So I tried patching another one and same problem, has anyone identified
the patch or had similar issues lately.


This there were 30 patches in all, going to have to try and identify
which one.





Ronnie Hamilton 
Senior Network Engineer 

Lufthansa Technik Airmotive Ireland

IT Department
Naas Road, Rathcoole

Co. Dublin, Ireland
Phone: +353 1 401 1253 
E-mail: ronnie.hamilton@xxxxxxx <mailto:ronnie.hamilton@xxxxxxx>  




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