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RDWeb access to session collections return error" no computers available in the pool ... but.

July 1, 2019, 9:28 pm
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I have a fairly large Windows 2016 RDS deployment, and growing. Consists of 2 Connection brokers (load balanced) 2 rdweb servers and 5 collections of RDS session hosts, from 1 to 4 servers in each. F5 load balancer in front of the various farms with more than one SH. Certificates are all configured and trusted.

Connection via the F5 load balancer name occurs without a hitch, connections are spread across the nodes fairly evenly and users reconnect to disconnected sessions.

The collections are published to RDWeb access. All the session hosts are enabled to allow connections. When I click on one of the collection names, I get prompted to enter credentials which i do, then I'm told there are no computers available in the pool. 

If I log into one of the session hosts first, directly via rdp client to the server name, and leave a disconnected session... then access the collection via rdweb I connect to the disconnected session without issue. As long as I leave a disconnected session behind, I can connect to it via rdweb access to the collection. 

This happens with every collection I have configured. I've delete and recreated them all with the same result. 

If I restart the session hosts in the farm, i can occasionally, briefly, connect without having a disconnected session already in place., Once i log off i can not log on again. I get the no computers available in the pool error from then on. Also, I can't always get this to work. Sometimes I reboot the SH and still get no computers in the pool.

I've dug through event logs, looking @ connection broker client and server logs but see nothing relevant. All the SH join the collections in the broker-client logs and complain about lacking resources to allow redirection on connection but that is because I've disallowed broker load balancing that via group policy for F5 compatibility. 

I'm not sure where else to look for clues. Anyone seen this?

Is it possible that RDWeb access to the collections is dependent on the load balancing done by the connection broker and that by disabling that for f5 compatibility i've broken RDWeb connections to the collection?

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Move an RDS server between domains and migrate user profile data

July 1, 2019, 8:33 am
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We need to move several Remote Desktop Services servers (Server 2008 R2 and Server 2012 R2) from different domains to one consolidated domain and want to migrate/copy as much (local) User profile data as we can. Users will have the same username in both domains however, the 2 accounts will be independent of each other (different domains/SIDs etc) so we expect users in the new domain will have new user profile folders created (can’t re-use the old folders?).

Because the Source and Destination computer is the same device, will the User State Migration Tool (USMT) work?

Sorry, can't post links. It's the "usmt-migrate-user-accounts" page on Windows deployment section of "docs DOT microsoft"

Also looked at ADMT but never used it and unsure of implications.

"windows-server-2008-R2-and-2008/cc974455(v=ws.10)" page on "docs DOT microsoft"

Any help/guidance appreciated.


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Remote Desktop Not Connecting to Session Hosts from certain networks

June 28, 2019, 10:54 am
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If I put the IP address in of the Remote Session Host server (there is only one) it works. It connects through the gateway and then connects and authenticates successfully to the server. 

Also if I connect to another internal PC remotely on the network through the rd gateway using DNS name it also works fine.

Finally if I connect from outside the office network using hot spot it will resolve both the remote session host and remote PC by DNS name. If I switch it back to the LAN it reverts to orignal behavior.  I have seen this at multiple places.

There must be a different way it is connecting on one network than on the other network that causes this odd behavior.

Also  Remote apps through RD Web will not open after successfully authenticating through gateway ut will work outside of network.

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RDS CAL loading & activation timing...

July 4, 2019, 3:08 am
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Hi all,

A vCloud provider handed over 2 servers to me, one to be DC and one to be RDS.

They decided it was a good idea to load the RDS server roles and per User CALS into the RDS Server before handing over to me without telling me.

I then begun to setup the DC and joined the RDS server to the domain after that without knowing or checking RDS roles were installed...and now we are getting a warning the CALS are not activated...Remote Desktop Licensing service also will not start.

Do we need to remove RDS roles and start again or can the CALS be reloaded and activated?

vCloud admins tell me they want to remove RDS roles and start again...WTF!?

As always, thanks in advance...

durrie.

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RDS Profile automatic deletion

July 3, 2019, 1:58 am
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I have an RDS 2016 environment using Profile disks presenting Apps.

The problem I have is that some Users turn off their devices without logging out.

I have discovered that by doing this the profile disk stores setting like local printers (Pass through).

So when the device comes back again and pick up its profile disk, if go by another session host, the printers don’t work.

At the moment the work around is disconnecting the session, deleting its profile disk and reconnect witch creates a new profile and works fine. 

Is there a way to delete the profiles that are not in use and not delete the template,Or on the Session collection
registry where it allows to “delete temporary folders on exit” , also delete
profile disk.

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Error in data encryption - RDP

July 2, 2019, 5:01 am
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Remote Desktop Connection

Because of an error in data encryption, this session will end. Please try connection to the remote computer again.


A number of our users are getting disconnected from RDP this morning. The RDP server is across a Site-to-Site VPN to Azure. Perhaps coincidentally, when they reconnect they have lost the saved username and are presented with "Other user". Server went through updates at the weekend and was restarted last night. Reconnecting instantly works fine.

Anyone seen this?
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Using RemoteDesktop_SuppressWhenMinimized for a nested RDP session

July 2, 2019, 3:03 am
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Hello,

I have the following senario:

I need to run automation tests on a VM configured as a Jenkins Slave. In order to run the test i need a working RDP session to the VM so that GUI is rendered. I need to launch and RDP session from a remote matchine (Jenkins Master) to a VM (Jenkins Slave). I need to keep this RDP session active even when there is no RDP session to Jenkins Master.

Finally, I expect to be able to launch a jenkins job which will start on Jenkins Master which will perform the following steps:

1. on Master : launch RDP session to slave

2. on Slave : Run automation script.

The Problem:

RemoteDesktop_SuppressWhenMinimized registry entry is not working for this senario and as soon as i minimize the RDP session from Jenkins Master to Jenkins Slave, the job fails because it cannot find element to click.

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RDP not connecting to any PC

June 30, 2019, 11:46 pm
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I got a weird problem once or twice a week RDP stops to connect to any PC in network and stucks at "initiating remote connection" asks a correct login/password though

You still can connect to PC that have this issue via rdp, but not to any other PC from them

I've encountered this problem on 2 systems win server 2008 r2 and on win server 2016

Also when this happens ICQ stops working too (and yeah i know its 2019)

Issue resolve itself after a reboot but thats a not ideal solution

Any ideas what it could be?
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Server 2016 RDS Start Menu and Taskbar Issues

March 28, 2019, 6:41 pm
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We're running a single RDS setup with Windows Server 2016 Standard and about 2 weeks back we started to experience Windows Start Menu and Taskbar issues where these functions would suddenly stop working for all of the RDS users.  We are not using profile disks and each user connects to the RDS via our gateway server and their profile is stored locally on the RDS server.  No desktop or Start Menu redirection is setup.  We have 25 RDS CALs and there's normally about 20 users logged into the RDS server.  The server is a physical server running a 12core Intel CPU with 32Gb of RAM and an NVME SSD Intel disk.

The desktop apps like Microsoft Office will continue to function fine but if you minimize the running apps, the user can not click on the minimized apps as the Taskbar doesn't respond along with the Start Menu.  The only thing that currently works is to logout the user session using Task Manager or to reboot the server.  When the user reconnects and gets a new session, the Start Menu and Taskbar will work for several hours before it goes back to the locked state.

I have read quite a few posts and I have re-installed the Windows apps with the following PS script:

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)\AppXManifest.xml”}

I have run a full sfc /scannow and checked the health of the windows image.  These all complete fine without issue.

Tonight I have found some older posts from 2017 about Server 2016 RDS black screens that are caused by duplicate Windows firewall rules getting created for each user every time they login.  While we don't have the black screen issue, I'm wondering if our issues with the Start Menu and Taskbar could be related to this same duplicate firewall rules for each user.  When I checkedHKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices\Configurable\System on our RDS, I am seeing thousands of entries.

Does anyone know if these duplicate firewall rules can cause the Start Menu and Taskbar issues?  If so, what's the proper way to delete them?

Thanks for any input.

Ken 

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Cannot Register Remote Desktop as SCP Windows Server 2008 R2

July 8, 2019, 2:11 am
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I have configured the RDS role and issues CAL on a user basis on our Windows Server 2008 R2 and it has been running without problem for a little over five (5) years now. So it came as a shock to me when a month ago I got a message about some type of grace period expiring. I ignored because I assumed I was safe. But since then it has become impossible to connect to the system through RDS.

This is the message I get when I go to the Remote Licensing Manager>All Servers>"Server Name"> Review Configuration and then I click on "Register as SCP". The ensuing message is :

"The remote desktop license server could not be registered as a service connection point (SCP) in Active Directory Domain Services (AD DS). Ensure there is network connectivity between the license server and AD DS". 

PLEASE HELP

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The Remote Desktop license server could not be registered as a service connection point in Active Directory Domain Services (AD DS). Ensure that there is network connectivity between the license server and AD DS. To register the license server as a servic

March 8, 2012, 1:46 pm
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Hi

I have this message in my Event log

"The Remote Desktop license server could not be registered as a service connection point in Active Directory Domain Services (AD DS). Ensure that there is network connectivity between the license server and AD DS. "

The server is not part of a domain - its just a standalone server so the fix for DC's is not valid in this case -

J

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RD Gateway Licensing

July 8, 2019, 2:30 am
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Hi,

I found this question (or similar) with many answers many times in this forum. I'm looking for an official answer so I would be happy if someone can refer me to an official Microsoft document.

If I deploy an RD Gateway, do I need to purchase separate CALs for the RD Gateway? For example, if a user connects from the internet through the RD Gateway to an internal machine (to RD Session Host), does this connection consume two licenses? One for the RD Gateway and one for the RD Session Host?

Alternatively, if the RD Gateway role is installed on the same machine as the RD Session Host, and we use the RD Gateway to connect the RD Session Host on the same machine (the idea is to only expose HTTPS traffic on port 443 and not direct RDP on port 3389), do I need two licenses for each connection?

I know that there is no enforcement, I'm looking for the legal answer.

Thanks,
Gabriel

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RDS 2016 - multiple forests

July 4, 2019, 3:21 am
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Hi, I have implemented standard RDS 2016 farm deployment in single forest with single domain - 2 Web Access, 2 Connection Brokers and 2 Session Hosts) and collection with many published apps. I want to expand this somehow to other forests too which trust forest hosting RDS 2016 farm.

Is there any detailed guide how to implement this? There are some docs about multi-tenant RDS but I do not see anything useful for my case scenario. I guess I need new session hosts per forest but could I use existing WA/CB servers without adding new ones? 

Any help would be appreciated. Thanks in advance!!!

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two rds deployments in single domain

July 4, 2019, 5:19 am
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Hi all,

we have an existing rds 2012r2 deployment in our domain. On the base of 2016, we want to build up a second, new rds deployment in the same domain. I found lots of information regarding rds migration from 2012r2 to 2016, but no documents which describe storing the rds informations in the AD and local System / Database. I would like to know that the two deployments do not interfere each other.

I found a hint that it works:

https://social.technet.microsoft.com/Forums/office/en-US/72a8e236-1782-4f19-90c1-f5d08100e81b/multiple-rds-deployments-in-the-same-domain?forum=winserverTS 
"Hi , yes you can have many RDS deployments in the same domain. "

Do you know documentation where I can find these informations ?

Best Regards,

Karsten

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KB4503294 affecting Wyse 3040 thin clients only in RDS Environment (Serv 2016)

June 28, 2019, 7:38 am
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Also affects Wyse Thin Os 5070 - but NOT older T series thin clients or original branded Wyse Clients

Before anyone asks - Yes I have a case open with Microsoft, and Dell. Both are pointing the finger at each other and we're going nowhere.

After My posts on patch Tuesday where we determined that KB4503267 was killing Wyse 3040 thin clients (And only wyse 3040 thin clients) we've now determined that KB4503294 is causing this also.

Configuration example:

A single Remote Desktop Connection is configured. The hostname is pointing to internal hostname of server e.g. remote1, and the use TS gateway setting is checked, with the TS gateway pointed to gateway.contoso.com

Symptom: When a user attempts to login the login window on the thin client disappears for a moment and then re-appears

Event log does not show anything useful or conclusive either on the thin client or Windows Security log. All windows security log says is "error during logon". I'll add a complete extract as soon as the box comes back up.

I'm at a loss (And so is everyone else apparently) as to why only the dell 3040's are affected. Even the earlier Wyse T series thin clients are fine and Microsoft can't give me any answers nor can Dell

On Server 2012 we found that Preview updates KB4503295, KB4503277, caused this.

Edit: I previously typed that KB503886, KB4503865 affected this - That information is incorrect and these were not installed on the servers impacted this morning

We also found that non preview updates KB4503263 AND KB4503276 when combined caused this issue.

I was also able to confirm that this affects firmware version 8.6_024 & 8.6_013

An example of the Event log from a failed user logon (with some redactions)

An account failed to log on.

Subject:
	Security ID:		NULL SID
	Account Name:		-
	Account Domain:		-
	Logon ID:		0x0

Logon Type:			3

Account For Which Logon Failed:
	Security ID:		NULL SID
	Account Name:		USERNAME
	Account Domain:		CONTOSO.local

Failure Information:
	Failure Reason:		An Error occured during Logon.
	Status:			0x80090308
	Sub Status:		0x0

Process Information:
	Caller Process ID:	0x0
	Caller Process Name:	-

Network Information:
	Workstation Name:	GATEWAY.CONTOSO.COM
	Source Network Address:	12.234.234.234
	Source Port:		54188

Detailed Authentication Information:
	Logon Process:		NtLmSsp 
	Authentication Package:	NTLM
	Transited Services:	-
	Package Name (NTLM only):	-
	Key Length:		0



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RDP Cals Per User Licensing Module Understanding

June 19, 2019, 2:17 am
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Hi,

I am Having win 2012 R2 standard edition server and i have deployed 15 RDS per user cals license on the server.

RDS licenses has been issued for 44 users, Now the scenario is:

I am getting licensing error ie. 

The remote session was disconnected because there are no remote desktop license.

for temporary purpose i have delete the RCM grace period in registry and have restarted the server, Its working fine as of now.

So need to understand the licensing module, so what 15 rds users licenses means ??

Thanks for support !!!!!!!!!!


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Install RDS - Per Device licensing in work-group environment

July 6, 2019, 6:16 am
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Hello All,

Thank you in advance, We have 10 servers which are on workgroup and we need to configure the per device license for 10 servers.

So is it possible that i can configure RDSH and install 10 device license on it and rest 9 servers to point that RDSH for license or do i need to install the per device license on each server. please suggest how should i configure this.

Dayanand Gavas

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Sessions sticking on signing out until server reboot

July 8, 2019, 5:53 am
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We are seeing an issue on multiple 2012 R2 servers at the moment where at some point the session begin to stick on signing out. If the user tries to reconnect to the session they get stuck on 'signing out' and can do nothing. 

We are unable to end any task the user has open with built in or third party tools. If you click end task under 'users' nothing happens, and if you do it under 'details' it says access is denied. 

The user cannot CTRL, ALT + END on that screen. 

Currently, the only way we have been able to get the server operational is to reboot. Obviously this isn't ideal as there may be X number of users actively working on the system. 

Has anyone seen anything similar or have any ideas? 

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Windows Server RDS Freezing with Flickering "Not Responding" in the top bar

April 1, 2019, 1:51 am
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We have around 15~ Remote Desktop Session Host servers of varying versions (2012 R2, 2016 and 2019) which are experiencing freezing and flickering issues with "Not Responding" appearing in the top bar and the program being unresponsive when switching between tabs. Other symptoms include screen flickering and, when in Task Manager, the tabs sometimes disappear until you roll the mouse over them. These issues started appearing after the weekend of 23rd March 2019 (23/03/19).

I have been scouring forums looking for other people with the same issue but can't find anyone with similar symptoms except someone called Chris_UKDE and his questions haven't been answered either.

At first, we thought that this was caused by a Windows Update but we have been through all of the updates and cannot find any consistent update or lack of update across the servers that seems to have caused the problem. We thought it might have been KB4489889 but after uninstalling this, the problem still remains.

We have opened a case with Microsoft and we are waiting for them to analyse some logs that they gathered on Friday and they have advised various registry fixes and disabling hardware acceleration but none of these have worked. I am taking to the forums to see if anyone else is a. having any luck with their diagnosis and b. having these issues at all(!) and c. if we manage to fix it, to share it with you so you don't have to experience the same pain we have.

The issue does NOT appear to happen in Safe Mode BUT when running a Selective Startup from MSConfig, these issues still happen, eluding that it's still a Microsoft element causing the problem. We are mainly seeing the problems in Microsoft Office programs but we do get a few issues in other Microsoft programs, such as Internet Explorer/Task Manager and also Chrome.

Most of the servers are running on VMWare ESXi 6.0-6.5 but we do have one native Windows Server with the problem. We have tried updating/uninstalling VMWare tools but this does not seem to fix anything. We also thought this might have been related to the video driver, so we booted the server with "Base Video" options in MSConfig but this still didn't fix the problems.

I am hoping that there are others in the same position as me, looking for an answer but having no forum to discuss it on, hence this post. Any advice greatly appreciated.

Lewis

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RDS Connection Time Limit Exceptions

July 2, 2019, 9:04 am
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Hello,

I am working on a 2012 R2 Server and need help with Remote Desktop Services session time limits. I have a user who needs the screen to be on all the time to monitor critical areas and therefore cannot have their session disconnected. We have another user who already has this exception but I can't find where the exceptions are made. I've looked in GPEDIT.MSC and see that the time limits are enabled but that's all. Any help would be appreciated.

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