From my Customer who figured this out:


The problem relates to the way Windows 10 profiles get roamed now.

From a Citrix DOC. Windows 10 does not roam UsrClass.dat

UsrClass.dat contains the hive that ACS is looking for. It is actually HKCU\SOFTWARE\Classes\CLSID

As a workaround, in group policy my customer added a login script. In Group Policy Management under User Configuration\policies\windows settings\scripts

He then added a logon script with the add registry key syntax. The only issue with this is that each user will need to have local admin rights on the virtual desktop so they have registry permissions

add HKCU\SOFTWARE\Classes\CLSID


The real solution is to get rid of Citrix Profile Management and use something like Profile Unity – A LiquidWare product. This is what we are doing in a few months. I did a POC with this & it’s a fantastic product.


CTX224835
Start Menu Stops Responding On Windows 10 or Windows 2016 VDA While Using UPM Article | Other | 8 found this helpful | Created: 15 Jun 2017 | Modified: 26 May 2018 Applicable Products
· XenDesktop 7.15
Symptoms or Error
Start Menu stops responding to left Mouse clicks and does not show any applications.
________________________________
Solution
Complete the following steps:
1. Add "!ctx_localappdata!\Microsoft\Windows\Usrclass.dat*" to Exclusions in "Exclusion List - Directories" and "Exclusion List - Files" policy.
2. Add "!ctx_localappdata!\packages" to Exclusions in "Exclusion List - Directories" and "Exclusion List - Files" policy.



________________________________
Problem Cause
Microsoft support explained that it is not supported to Roam "Appdata\Local\Packages" or "AppData\Local\Microsoft\Windows\UsrClass.dat*" files/directories. ShellHostExperience.exe which is responsible for Start Menu is not able to use them properly when roamed and therefore Start Menu becomes unresponsive.



--
Jim Oberholtzer
Agile Technology Architects

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Rob Berendt
Sent: Thursday, January 16, 2020 12:06 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Access Client Solutions - Locking

If you find that, let me know. We may be rolling this out

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jim Oberholtzer
Sent: Thursday, January 16, 2020 12:37 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Access Client Solutions - Locking

CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.


I had a customer with that exact problem. Turned out to be some sort of
caching in Citrix that was causing the problem. I’ll ask them if I can
put you in touch with them. Took a good three weeks with Citrix support
to nail it down.

On Wed, Jan 15, 2020 at 3:23 PM Smith, Mike <Mike_Smith@xxxxxxxxxxxxxxxx>
wrote:

We are using ACS 1.1.8.2 in a Citrix Xen Virtual Desktop Environment.

* Citrix XenDesktop 7.15 LTSB using Machine Creation Services
* Hypervisor: VMWare ESXi 6.5
* VMWare Tools version (current): 10305
* OS: Windows 10 LTSC (Current on Windows Critical and Security
Updates)
* RAM: 8GB
* DISK: 70GB
* Processor: 2 CPU
* Java version: 8.241 (as of today) previously 8.31


We are starting to have a number of users when they start up a 5250
session from ACS, the Session will freeze/lockup. Looking into it at this
point we are seeing very high memory usage
If we can get the session closed and then reopen it, sometimes it clears
itself up and other times it doesn't.

Any having any similar issues? Things we can check or do to remediate?

Thanks

MIke


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