Access Denied when launching Citrix Published Application

Hi Experts,

I have an issue with a user that has been granted access to a published application on our Citrix XenApp 6.5 farm, he can see it when he goes through the web interface and Program Neighbourhood but he gets an "access denied" as though he is trying to log onto one of the Citrix servers itself. He has the Receiver installed on his machine, and I've checked his in a group that can access the application, not sure what the cause could be.
Citrix-Access.jpg
damejenAsked:
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damejenAuthor Commented:
I've had a look around and found this which seems to have done the trick.
http://support.citrix.com/article/CTX138329

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Brian CTXSupportCitrix ConsultantCommented:
I'm assuming the user was a member of the Remote Desktop Users Group on the target server?
Sekar ChinnakannuStaff EngineerCommented:
Run dscheck /clean on Data Collector once done then run gpupdate /force and check.
damejenAuthor Commented:
Hi Brian, Yeah the Domain Users group is a member or the Remote Desktop Users Group. Sehar I did run dscheck on the Data Collector and it did find one reference to an unknown object but I have not poerformed a  dscheck/clean. The article http://support.citrix.com/article/CTX138329 seems to have done the trick, though I am kind of concerned as to what dscheck has brought up.

Thanks.
dscheck.jpg
damejenAuthor Commented:
The Citrix KB was exactly the resolution to my issue.
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