Server 2012 R2 RDS. This server has been running well and I have a handful of remote applications published. All applications work fine. Now when I attempt to edit a published application, or publish a new application, I get the error: Unable to retrieve the session collection properties. Subsequently, I am unable to publish any new remote applications. I've gone through the license troubleshooter (all good). This Server is hosting all deployment roles for RDS. I have deployed other servers in the same fashion with no trouble. This problem just suddenly arose about a month ago. Any help is appreciated!


The user (who is apparently no longer with us) solved his own problem thus:

I have found the fix (for me at least). In Server Manger > Remote Desktop Services > Collections > QuickSessionCollection > Properties of the collection - Click Tasks - Edit Properties. Add "Domain Admins" to user group. Save. Now you once again able to edit RemoteApp Programs and Publish new.

I do not know if it was a Domain Admins piece, or just editing that portion of the properties that effected it. Either way, I am in good shape now

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