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RDS RemoteApp programs quota violation.

Posted on 2011-09-15
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Last Modified: 2012-05-12
Hi all,

We have a Windows 2008 R2 RDS farm which publishes applications. We do not use remote desktops, only remote apps. We do have a lot of these remote apps though. At this point about 550. It is supposed to grow to about 1100 remote apps. (why? Well, each customer has his own set of customised applications. Cutting down on the amount of remote apps is no option, unfortunately)

The problems is this:
In RemoteApp manager we get a lot of this error messages:

The list of RemoteApp programs cannot be accessed.
Quota Violation
Verify that the management console is connected to the correct server and that you have Administrator privileges on the server, and then try again.


The only way that we can (temporary) solve this, is to restart the WMI service on the RD Session Hosts.

Do you know if there is a documented limitation on the amount of RemoteApps that you can publish in a farm? And if not, do you have any clue how we can solve this?

Thanks a lot!

Fred
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Question by:ictmailbox
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warddhooghe earned 500 total points
ID: 36542548
running "winmgmt /salvagerepository" will perform a consistency check on the WMI repository and hopefully resolve the issue.
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Author Comment

by:ictmailbox
ID: 36542886
Hi,

Thanx for the reply. Running this command gives:

WMI repository is consistent.

Any other ideas?

Fred
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Assisted Solution

by:warddhooghe
warddhooghe earned 500 total points
ID: 36544420
have you set any resource quotas set in your farm?
you may find more details of the quota violation in the eventlog
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Author Comment

by:ictmailbox
ID: 36547660
Hi,

Can you specify what kind of resource quotas you are thinking of that could be set in the farm? I do not know of any quotas which may be related to this case. The only quotas in RDS that I am aware of, are the quotas you can place on the total profile size. These quotas are not in place in this farm.

Although we did not find any related error message in de event viewer, we are double checking that. If we do find something, I`ll let you know.

Fred
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Assisted Solution

by:warddhooghe
warddhooghe earned 500 total points
ID: 36550290
Hi Fred,

I was initially thinking of Windows System Resource Manager, but might be a dead end.
Are you using any kind of software to balance your applications/users/resources? (which is likely using WMI)
Citrix? F5 loadbalancer? or other transparent appliances?
Or other tools that might be interfearing like ObserveIT, procmon, filemon, threadmaster, performance guard, bandwidth analysis tool, etc

Or maybe you are reaching the 512Mb WMI Provider service quota limit due to your high amount of applications & users.  http://support.microsoft.com/kb/2404366/en-us

Ward
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Author Comment

by:ictmailbox
ID: 36559809
Hi Ward,

To answer your questions:

WSRM is not configured in the farm.
We are only using the RDS Connection Broker to load balance.
We raised the memory quota of the WMI Provider service from 512mb to 2gb.

Tommorrow this patch will be applied, although I doubt this has a connection with the issue.

We also double checked the event logs. There is no message related to the problem in the logs.

Fred
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Assisted Solution

by:warddhooghe
warddhooghe earned 500 total points
ID: 36563536
Hi Fred,

I'd put my money on the WMI provider quota then.
No other ideas so far. Do note that 550 applications in a single farm isn't unusual. Ours is also closing in on that number, so nothing exceptional imho.
Keep us posted on results what increase.

Regards,
Ward
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Author Comment

by:ictmailbox
ID: 36597399
Hi Ward,

Is it possible that you us a little more about your environment? As you mention that your company is also pretty close to 550 apps, we are pretty curious if there are any major differences that make this configuration do work for you. Do you have any thirth party loadbalancing stuff in place, or is it all the default Microsoft RDS components, like we have? Did you had to make changes to the WMI configuration?

We did not found a solution so far.

Thanks again!

Regards,
Fred
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Assisted Solution

by:warddhooghe
warddhooghe earned 500 total points
ID: 36598751
Hi Fred,

Our production environment is quiet different from yours as we are using Citrix 4.5 on top of RDP and still run on Windows 2003 x64 Server. We've got a Riverbed appliance to reduced traffic to a big remote site, but that wasnt plug-and-play as advertised (printing problems). Citrix has its own customisable loadbalancing system. So far no WMI specific settings found in our change log.

How is your windows updates and reboot schedule? We reboot each during the weekend in phases.

PS: We're currently preparing to migrate to Win 2008 server, hence my interest in your problem as we may also face it.

Regards,
Ward
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Author Comment

by:ictmailbox
ID: 36814731
Hi Ward,

Thanx for the info. At this point we have found the problem. We have a local folder on each Session Host in which we store the icons for the applications. (There are only 4 or 5 different icons) We connect to these icons in Remote App manager through a local path. (C:\program files \icons) As it seems now, remote app manager translates this in an UNC path, so accessing these icons happens through the lan in stead of locally on the server. We are speaking to Microsoft about why this happens. We now do know that this causes the problem. If we rename the icons folder, so it cannot be accessed anymore, the problem is solved.

So we have a cause now, this will make the search for a real solution more easy. Thank you for you help!!

Regards,
Fred
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Author Closing Comment

by:ictmailbox
ID: 36814767
Points are rewarded for the received help. We found the solution ourself though.
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Expert Comment

by:warddhooghe
ID: 36815511
Thanks!
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