User connections Intermittently Disconnect at the Windows "Welcome " Screen.

User connections Intermittently Disconnect at the Windows "Welcome " Screen.

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Article ID: CTX206878

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Description

Issue:
User connections are getting intermittently disconnected at the Windows "Welcome " Screen.

Symptoms:
ICA sessions that get disconnected change connection type in Studio/Director from HDX to Console.
User sessions are orphaned on the affected VM.
This prevents user from reconnecting to that VM.
Users are then unable to access the site.

Resolution

Assign the correct permissions or remove the GPO from certain users.

Problem Cause

A GPO used to map a specific drive was causing issues.
The policy was trying to map a network drive but only a limited number of users had access to the drive(125 users), the rest would get an access deny error again and again when trying to login. 

Additional Information

https://technet.microsoft.com/en-us/library/cc754542(v=ws.11).aspx