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Server OS 2016/2019 Session hosts (RDS) problems with Remote Desktop Services is currently busy

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Dear colleagues and support.

That is not something that was solved here, I found a couple of similar problems with 2008r2, but it cannot be applied to latest OS. And problem described in other topics are a little different

Our case:

We are using large infrastructure based on many Servers 2012r2 all in one RDS servers (Broker, Web, SH is installed at every server). Many servers published behind some load balancer.

As we have a lot of servers in farm - we have a redirected profiles configured (over GPO) and placed at DFS.

We started testing 2016 servers, and our test group start reporting problems with "Remote Desktop Services is currently busy".

Usually problem solved itself in 1-2 min, user have to try several times before he is able to connect. There was no hanged user sessions or something like this or some useful even log as i can see.

There was no solution for 2016 problem over the internet, so I was hoping to find it with 2019 server.

But we are able to reproduce problem even on "clean", powerful (8 cores, SSD, 32 GB RAM), freshly installed server with single role (RDS) on it for the minimal number of users (1-2 users online)

So that is not something like server load or not enough resources.

I assume it is related somehow to redirected profiles or some service really "busy" with what? But why it is working stable for 2012R2 and has such problem with 2016/2019? May be we can adjust some parameters, timeouts or something like this?

Do we have any workaround for this except disabling redirected profiles or living forever based on 2012 r2 (that is not an option when you have a farm for 1000 users online and many member servers behind balancer)

Many thanks for your ideas!

Regards,

Sergii V



RDP to Azure AD joined computer

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I am trying to connect to a remote computer that is Azure AD joined. Both the client and host computer are running Windows 10 version 1809. Currently I am connecting without NLA to be able to authentication myself, but I would like to connect with NLA.

According to this article: https://docs.microsoft.com/en-us/windows/client-management/connect-to-remote-aadj-pc this should be possible, providing you use the username format "AzureAD\JeroenDeWit" to connect. However, this results in an error stating "Your credential did not work. Remote machine is AAD joined. If you are signing in to you work account, try using your work email address." I can't post a screenshot because my account is not verified yet.

Other guides like https://cloudbuilder.io/documentation/Windows10Pro-RDP-AzureADJoined/ also suggest authenticating without NLA.

Am I doing something wrong or is Microsoft doing something wrong? :)

Certificate issue with RDP

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I have RDS on one server, I am able to currently logon and RDP to other machines. I setup a new windows server "Server1" and when I try to RDP from RDS it is saying that the "Publisher of the remote connection cannot be recognized", if I click connect, I am asked to validate my account with my RDS server and then it returns an error, "Your computer can't connect to teh remote computer because the RDS Gateway server address requested and the certificate subject name do not match". When I click on view certificate, it is a cert I do not even recognize. I checked the certificated in the RDS gateway and they are all correct. What could be causing this on new RDP sessions only?

Thanks

Pat

Server 2019 freezing

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Hello

I´ve installed Windows 2019 Server to our RDS environment, and for some time it worked well. We´re using 6 RDS servers and every day one of that freeze and needs to be restarted. Users who is logged to server works normally, but user who need to login just got black screen and freeze on that. In event viewer i found error 4005 The Windows logon process has unexpectedly terminated.

If im trying to connect to server via console (on dell servers) as server admin i cant do anything because login screen is freezed too. Only way is to restart server. Remote powershell looks like working, but cant log off user. There wasnt installed any updates when it start freezing :(

Any idea how to fix it ?

SSH over RDS?

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This is the opposite of the usual "tunnel xxxx service through SSH"

I'm looking for a way to tunnel THROUGH an RDS server, in order to make outbound SSH connections.

I've done some research and found some advice on creating a new collection in RDS, and a separate FQDN and port.

But this doesn't answer how to authenticate against the RDP service through SSH (I don't want an open proxy tunnel)

Need help! I have to move a small RDS server from Win2008R2 to Win2016 this weekend! Easiest way?

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i need to move Remote Desktop Services off of Windows Server 2008R2 and onto Windows Server 2016 over the weekend.  It's a very basic server.  It has just the "Remote Desktop Services" role installed, and the "Remote Desktop Session Host" and "Remote Desktop Licensing" role services installed.  Nothing else is installed related to RDS.  The server does exactly one thing.  It lets about 10 users log in with remote desktop connection from their windows desktop and get provided a "remote desktop" that has exactly ONE application on the desktop.  They run that ONE application and then log off.  While the server is a member of our Active Director domain, the users are local users (local to the server).  I already have built the new Win2016 server and have installed Remote Desktop Services (with only Remote Desktop Licensing and Remote Desktop Session Host installed).  I havent done anything else beyond that.  I suspect i will have to do at least a) migrate the user accounts (I dont care if i lose any user profiles as they shouldnt have anything in them of value); b) migrate the licenses.  Can anyone help me get started? I have almost zero RDS experience! :| 

Problem with Strategy group to mount printers on Remote Desktop Host

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Hello everybody,

We got a problem in our company about strategy group to mount printers for users in RDS 2012 R2.

We need to set printers for user. We use Security Group for this. The user belongs to a security group, and in the strategy group, we configure a printer for a security group (with common targeting).

So we add a user to a group like that he gets printers. The user log in to the RDS, and he sees the good printers.

The problem is, when we remove the user from the security group, printers stay in the session.

In the RDS, we use roaming profile, and I think the problem come from here. When we delete the profile on the file server, to get a new one, the user does not have anymore the printer.

I also tried to create a GPO to delete all shared printers in order 1, before to mount the printers. This is working the first time, but after this, when you add the user to a group, and remove him again, he also sees the printer.

It's a big problem, because a user which doesn't belong anymore to a security group, can use the printer.

Please, could you help me to solve this problem ?

Thanks by advance

MSTSC /admin switch, non-admin users and "SD_CONSOLE"

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In my organisation "administrators" do not logon with administrator accounts but use ordinary user accounts. Any elevation is achieved through use of secondary logon ("run as administrator"). All good practice and no problem using RDP to administer servers.

But when it comes to the "Terminal Server" it is necessary to use mstsc's /admin switch to avoid consuming a CAL. Except that if you use an ordinary user (non-admin) with the /admin switch the session will be denied.

So how can I achieve best-practice and not use a TS CAL?

The nearest I've got to solving this comes from M. Tulloch's book "Introducing Windows 2008": "To obtain administrative sessions using /admin, the user must be part of the Remote Desktop Users group and should be listed in SD_CONSOLE". Apparently only the Administrators group is listed in the SD_CONSOLE ACL.

But on earth is the SD_CONSOLE?

Virtual IP issues with server 2019.

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We've attempted to set up up Virtual IP for our RDSH in Windows Server 2019 for a tricky application that requires it (NetDocuments NDClick). However, it appears that it doesn't work. Has this feature been deprecated in Windows Server 2019? 

We did the exact same setup on our 2016-servers, and there it works perfectly fine.


Any ideas, or some updated documentation on the subject available? 

Problem with mapping redirected client printers to server drivers at RDS Server 2016

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Hi,

I've problems with slow printing in our new RDS 2016 environment. The problem is related to the Easy Print driver which works but is very slow in most cases. I have set the policies to not use Easy Print driver first, so if a matching driver is found it works well. But since there are numerous of printers/drivers being used in our company I would like to avoid installing every single driver needed. In our old Citrix environment we map client printers with server drivers via a Citrix policy. But I have not been able to find anything like that for RDS 2016 except using a NTPrintSubs.inf file in C:\Windows\System32\TSPDRW\ folder. But I do not get that to work and I'm not sure is it is because I have configured it the wrong way or if it is not supported anymore. I have registered the registry REG_SZ keys PrinterMappingINFName (C:\Windows\System32\TSPDRW\NTPrintSubs.inf) and PrinterMappingINFSection (Printers) in HKLM\System\CurrentControlSet\Control\Terminal Server\Wds\rdpwd. And I have entered information in the file like:

[Printers]

"HP LaserJet 4200 PS" = "HP LaserJet 4200 PS Class Driver"

Is this solution still supported and is there any detailed guide somewhere regarding exactly which steps is needed? Or is there any other way of resolve this issue?

Most grateful for any help

Pelle

One Drive Client for Windows Server 2019

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Is there a supported one drive client available with the new released Windows Server 2019, for using it with RDS Farm?

Especially for on demand capability, this will be a biiiig improvement for RDS Farms, since using roaming profile.

Thanks for insight

Ghost typing the letter G

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We have a 2016 standard server to which a few employees connect to for Terminal Services. Only one client using Windows 10 has suddenly developed an odd problem. The letter "g" keeps being printing. It doesn't happen on the computer itself, just in TS. I removed all peripherals thinking maybe there was some signal being transmitted from there, but still happens. Any ideas?

Task Bar Freezes on 2016 RDS Servers

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Hello,

We have 8 RDS, One Broker, Windows 2016 Std., on a Farm. 

We have GPO's Policies on those servers.

From Time to Time, some users are experiencing task bar freezing.

The desktop icons are working, but the task bar is freezing and you can not do nothing on the Task Bar.

The only way is to log off and log in again.

It there a solution ?

With Best Regards,

Haim



RD Web Access Apps only displaying after hitting Show Details.

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Hello,

We currently have a setup where we have a server with the web access and RD gateway roles installed.  They point back to a broker that has multiple applications defined that users can use through a browser (using the web access URL.)  The issue we are having is that the user will click the application, it will establish a connection, but hang until you click show details.  Once that has happened it will show the domain page and load the application.  Does anyone know how to make the application automatically display instead of having to click show details?

Thanks

Local user connected through Remote Gateway Server

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Hello Everyone,

I recently took over our Remote Desktop Services and am trying to familiarize myself with it. I am noticing that some of our users while on the local network connect through the gateway server. I noticed some of them are Mac users and use the MS RDP client to connect to Remote Desktop Services. I realized that the latest update of the client forces users to go through the gateway no matter if they are on the local network or at home. Where the RDP client before the latest update didn't do that.

Also, I have a few windows users going through the remote gateway server when they are on the local network. I am not able to explain why that is happening. If someone could help me understand that it will be greatly appreciated. 

Third I have noticed after the last windows updates the shift key when opening an Acess database is no longer working when using Remote Desktop. Is there a workaround for opening the Access database using the shift key?

Thank you,

Vince


Issue chaging RD Database Connection String

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Hi

I'm in the midst of replacing our high availability database, moving to a new machine, and have run into an error when attempting to use Set-RDDatabaseConnectionString, getting back an error saying Exception calling "SetStringProperty" : ""

Background:

all servers are 2012 R2, fully up to date

RDS set up as High Availability

Running on the CB, Powershell opened as administrator

I initially found an issue in the SQL logs stating that the NT Authority user did not have access and corrected that - no further events appear in logs when I run the poweshell command

I changed the connection string in the registry, and upon reboot RDS did not recognise the CB

Any help greatly appreciated!

Remote app and Dual monitor!

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Hello,

On my remote desktop server, I have an app that my users can access on their computers as a remote apps. I have a user that have dual monitor on his computer and he cannot move the app from his main monitor to the second one.

Any help from you would be appreciated.

Thanks in advance.


P Jacques


User is logged on to a temporary profile

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Hi All, 

A virtual server (with Terminal Server role) based on Windows Server 2016 was upgraded several times in attempts to rectify the issue with users logging on to temp profiles. The number of connected users roughly 30-35.

It now has 20vCPUs and 72GB or RAM and at the moment CPU usage is about 30% and RAM usage is about 70%. This means the server is not running out of resources.

Now that I can exclude the resources related factor what else might be the root cause of this issue which recur literally every day?

Regards

RDP Broker / Host session freeze

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Hi Everyone,

We have one of are larger clients that was recently transitioned into a server farm using Broker with 10 hosts (approx. 75 users). Broker and hosts are all on Server 2019 Datacenter. The issue seems to crop up randomly, some users are effected after 10 minutes, some after 5 hours, regardless of host but either way their session hangs (completely unresponsive). 

They have 9 offices, all are point to point VPN'd to our Datacenter where the servers are and all of them work fully out of RDP. I've turned logging on the Broker but doesn't seem to be catching much, on the other hand I am getting the following error from the hosts when a user has the "freezing" issue:

EventID 1401: The server is using version 0xA0600 of the RDP graphics protocol (client mode: 0, AVC available: 1).

EventID 266: RDPClient_SSL: An error was encountered when transitioning from TsSslStateDisconnected to TsSslStateDisconnected in response to TsSslEventInvalidState (error code 0x8000FFFF).

Event ID 1105: The multi-transport connection has been disconnected.

They always seem to get this string of reports under Microsoft-Windows-TerminalServices-RDPClient/Operational when the hang happens. We've tried restarting all of the hosts and broker, all firewalls, etc but the issue continues and needless to say they are getting frustrated. The only two "fixes" seem to be booting their session, or waiting the 30+ minutes for the session to come back.

I've done a fair bit of research but most paths seem to lead to a dead end, any insight provided would be massively appreciated. I can upload all the logs I've collected if need be.

Thanks


RDS sessions freeze, Able to shadow (With given permission)

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Hi Everyone,

I have been working on a problem with our single RDS server for a while now and hope some of u are able to help me out. (just remote app, no desktop sessions)

Alot of users are reporting that their sessions are getting stuck/frozen and need to reopen the application from the RDweb/RDP file to continue working. I saw that once a user experienced this i could take over the session with shadowing and permission could be given from the user while the session is frozen. So i'm guessing it has to be something about the graphics? There is no black screen however. Just a still image of the last frame. If i take over i can move it around and do stuf but stil not visible to the user.

The problem usually starts when they lock their workstation and come back from a short break 5/15 minutes later. Unlocking the workplace would then show the stuck session. Idle times and disconnection times are not to worry about. All above 6+ hours.

I could post lots of logs. But if u would like to see any in specific i would post them.

Specifications:

  • Windows server 2016 with latest updates from March. (KB4489889) & (KB4485447)
  • All roles are on one server. Broker, Gateway, Session host, RDWEB
  • Licening is on another server. And shows no problems with diagnoser. (Just to be sure)
  • Clients work on windows 10 1803. RDP version is: 10.5 using HP thin clients.
  • 80+ users in terminal.
  • It's a fysical server with enough space, memmory and CPU. Speed 10gb.
  • The problem usualy happens once a day er person. Good weeks show only once a few days

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