Can't publish RemoteApp
If you can't publish/unpublish remoteapp collection might be corrupted.
Solution:
* Add new user group to collection e.g. Domain Admins
* Login to RDSBroker
* locate to collection with server manager
* under collection ➝ properties ➝ edit properties
*
* User groups ➝ add new user group
* Try publish/unpublish remoteapp
* if works remove user group which you added