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Sizing guidance for RDCB, RDWeb and RDGateway

July 29, 2018, 3:30 pm
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Hi all,

             putting together a HA RDS farm design - and im having trouble finding guidance on sizing for RD Connection brokers, RD Web and RD Gateway servers.

I get the for the session hosts, it is very dependant on what is running within the sessions and hence, the lack of hardware sizing guidance.

For the other roles it would be nice to have some sort of general advice - i.e. 1 connection broker per 1000 users, 1 RDGateway per 200 users etc....

Does anyone know if sizing guidance such as this exists? (and I just haven't been able to find it)

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Windows 10 - Remote Web App Display - Windows Distorted after Dragging and/or Maximizing

May 1, 2018, 11:11 am
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Last week, we retired our Remote Desktop 2012R2 system and launched Remote Desktop 2016 hosting Office 2016 on RDSH 2016 servers.  We have several hundred clients running a variety of systems including IOS, Windows 7, Windows 8.1 and Windows 10 Professional.

A few days after launch, some of our Windows 10 users issued complaints that maximizing, resizing and moving around Remote Web App windows causes all types of distortion including a disappearing window that cannot be maximized again and issues where only a small portion of the full window is displayed.    

A sample is shown below where portions of Excel 2016 are cut off in a remote web app session on Windows 10 Pro, version 1803.

We have combed the internet for a fix.  We've tried updating display drivers, Docking Port drivers, updating Windows 10 Pro from version 1709 to 1803.  We've tried unchecking 'use Bitmap cache' in the RD Client.  We've adjusted display resolution, all without any luck.  None of these users have a dual monitor setup.

The issue has cropped up on docked/undocked Dell Latitude laptops.

 


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unable to open attachments in outlook and other office issues on remote desktop

August 1, 2018, 11:24 am
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Hello,

We are currently using office 2010 on server 2012 r2 demote desktop

Any time someone tries to open an attachment from inside outlook they get a file corrupted error, but if they are in the office, using outlook and try to open the same attachment it works. This includes administrators on remote desktop

On top of this users are unable to open some files in remote desktop, either excel or word, but when in the office and using their own computer all files open correctly.

We recently moved our remote desktop to a different, more powerful/better server and everything was set up the same in terms of the remote services, but this server does have a couple of additional services running that weren't on the old one.

Any ideas, everything I have found here before has had no affect on this problem.

Thanks

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2012 R2 Remote Apps & DIsabling SSL V3 TLS 1

August 1, 2018, 7:00 pm
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Hello everyone,

I'm looking for some guidance on how to disable SSL 3 and TLS 1.0 on a 2012 R2 box acting as a RD Gateway, Connection Broker & Licensing Server.  I have disabled SSL V2 successfully via IIS Crypto. When I disable SSL V3 though my Remote Apps stop working - specifically the connection to the remote desktop host server fails. I didn't try disabling TLS 1.0 yet, as I haven't conquered SSL3. We are using a 3rd party signed SSL cert.

Any have specific experience doing this? 

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Sometimes get: Remote Desktop Connection can't connect to the remote computer

July 29, 2018, 11:40 pm
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All

I have a server with Windows Server 2012 R2 Standard. When I try to reach it from another computer over remote desktop connection, I frequently get error "Remote desktop can't connect to the remote computer for one of these reasons..."

The weird thing is that the message does not always pop up.  And if it pops up and I keep retrying instantly, I eventually get through...  Even more weird is that it mostly does not work in the morning...  In the afternoon the connection mostly succeeds at first attempt.

I have no idea about the root case.  It does not matter if I use the computer name or the IP-address.  Same issue turns up on other computers from which I try to connect to that specific server.  The server does respond on PING-command.

Does someone knows the root cause of this issue and a permanent fix?

Regards
Ino

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Error during driver installation - Server 2016 RDS

August 2, 2018, 2:05 am
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Hi, I am getting this message when one of our users connect to the RDS Host server:

Error during driver installation. Result = 0x80070422 for devnode"TERMINPUT_BUS\UMB\2&2C22BCC9&0&SESSION137MOUSE0"

Event ID 121:

System
-Provider
[ Name]Microsoft-Windows-DeviceSetupManager
[ Guid]{FCBB06BB-6A2A-46E3-ABAA-246CB4E508B2}
EventID121
Version0
Level2
Task0
Opcode0
Keywords0x4000000000000000
-TimeCreated
[ SystemTime]2018-08-02T07:16:07.167352000Z
EventRecordID42618
Correlation
-Execution
[ ProcessID]1284
[ ThreadID]13992
ChannelMicrosoft-Windows-DeviceSetupManager/Admin
ComputerRDSH1.system.net
-Security
[ UserID]S-1-5-18
-EventData
Prop_DevnodeIdTERMINPUT_BUS\UMB\2&2C22BCC9&0&SESSION137MOUSE0
HRESULT2147943458

The user is using Windows 10 as the client computer with the latest RDP client.  I can't find any reference to this error.

Any ideas?


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RDP Farm SAN Certificate

July 31, 2018, 5:59 am
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Hello,

I set up an RDP farm with Broker.  We are running server 2008 R2.

I tried to make a SAN cert in our Enterprise CA but every time I adopt the cert for the RDP connection it still says Certificate Mismatch.  It shows the server name on the RDP Cert and not the farm name.

https://blogs.technet.microsoft.com/isablog/2011/10/09/how-to-generate-a-certificate-with-subject-alternative-names-san/

This is the article I used.   Has anyone else had this problem before?

Thanks,

Jason

Jason Munsterteiger

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RD virtualization - Assigning IP addresses if IPpool exhausted

August 2, 2018, 7:05 am
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Hi all,

 I have set "per session" IP virtualization on the windows 2012-R2 server.

My question is aboutthe behavior of IP virtualization if the range of IP addresses in the pool is exhausted.

 

Experiment description:

 

  1. Virtualization parameters used (3 addresses in the pool):
  2. 4 users are logged-in (last logged user1 has NIC address, because pool is exhausted):
  3. Logoff user with 104.0.2.51
  4. Login other (Administrator) user

As you can see - Administrator has obtained Nic IP address (192.168.56.1), although 104.0.2.51 was released in step c). I supposed that released address should be reused. But it is not. From this point only Nic address is assigned to the new users.

Q: Can server reuse the released virtual IP address for the next logged user instead of using Nic address?

Thanks for your answers

-Marian

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RemoteAPP after windows 10 update 1803 are slow and right mouse button is not responding (it reacts only sometimes)

May 2, 2018, 7:30 am
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Hi,

our workstations with Windows 10 pro are in this weekend updated to version 1803. For main system we use RemoteAPP aplications on Windows server 2012R2 (Windows server 2012R2 is full updated). After update on client station are RemoteAPP slower, and  right mouse button is unresponsive, or react verly long time... 

It is a big problem for us.

PS: after replace mstsc.exe and mstscax.dll from older version Windows 10 is all OK. but this is not a solution.

Thanks.


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RemoteApp fails to connect on a single PC

May 2, 2018, 11:56 am
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I have 2 different customers that both have 1 PC each that will not run RemoteApps from their terminal server.  This started on about 4/15/2018 for the first customer, and the second customer had the issue since at least 4/23/2018.  These are established Remote Desktop Services installations with other PCs able to run the apps fine, and these PCs were able to successfully run the RemoteApps previously.

When they attempt to run the RemoteApps, it immediately pops up an error message stating "Your computer was unable to connect to the remote computer.  Try to reconnect. If the problem continues, contact the owner of the remote computer or your network administrator."  However, both workstations can still successfully open a Remote Desktop Session to their respective terminal servers.

I have gone through Event Viewer on the Remote Desktop Services servers and could not find any correlating events. I searched through Application, System, Security, and all of the Remote-Desktop*, RemoteApp*, RemoteDesktop*, and TerminalServices* logs in Applications and Services Logs/Microsoft/Windows/.

On the client PCs, I do find a correlating event in Microsoft-Windows-RemoteApp and Desktop Connections/Operational. Example:

Log Name:      Microsoft-Windows-RemoteApp and Desktop Connections/Operational
Source:        Microsoft-Windows-RemoteApp and Desktop Connections
Date:          5/2/2018 11:19:04 AM
Event ID:      1041
Task Category: Connection
Level:         Warning
Keywords:      
User:          LOCAL\dustins
Computer:      ICE64803.****.com
Description:
Remote application (IQWin32) is launched on RemoteApp and Desktop connection (SRV-TS.****.com) but no stored credentials are used for single sign on. (Reason - RemoteApp and Desktop connection does not exist)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-RemoteApp and Desktop Connections" Guid="{1B8B402D-78DC-46FB-BF71-46E64AEDF165}" />
    <EventID>1041</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>102</Task>
    <Opcode>0</Opcode>
    <Keywords>0x2000000000000000</Keywords>
    <TimeCreated SystemTime="2018-05-02T18:19:04.696115700Z" />
    <EventRecordID>5420</EventRecordID>
    <Correlation />
    <Execution ProcessID="7192" ThreadID="6584" />
    <Channel>Microsoft-Windows-RemoteApp and Desktop Connections/Operational</Channel>
    <Computer>ICE64803.local.innovativecomposite.com</Computer>
    <Security UserID="S-1-5-21-****-****-****-3621" />
  </System>
  <UserData>
    <EventXML xmlns:auto-ns3="http://schemas.microsoft.com/win/2004/08/events" xmlns="Event_NS">
      <RemoteAppName>IQWin32</RemoteAppName>
      <ConnectionName>SRV-TS.****.com</ConnectionName>
      <Reason>RemoteApp and Desktop connection does not exist</Reason>
    </EventXML>
  </UserData>
</Event>

At the first client, the Remote Desktop Services server is Windows Server 2016 and the workstation is Win 10 Pro.

At the second client, the Remote Desktop Services server is Windows Server 2012r2 and the workstation is Win 7 Pro.

Any and all help would be appreciated.

Thanks,

jeff


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RDS access right / authorization anomaly

August 2, 2018, 11:34 am
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We came across this RDS access right / authorization anomaly two days ago.

A user in the AD wanted to open an RDS session in a server (let's call it serverA) which is Windows Server 2012 R2.  He got the following message:
"The connection was denied because the user account is not authorized for remote login."

This is normal because his AD account was not a member of "Remote Desktop Users" group in serverA.

I then added his AD account into the group. *Four hours later*, when he tried to open an RDS session again, he still got the same error message!

I have gone through everything, every group, etc but I could not find the reason.  Then I took another computer, told him to log in and then told him to open an RDS session from there to the same serverA.  This time it worked!  And almost immediately when he tried to open the RDS session again from his own computer, that worked too!

What the hack is this anomaly?  Was there a workaround without having to have another computer to open RDS session first?

I think if he had closed and re-opened Windows session in his own computer, that would have worked too.  But of course, he had too many programs running at that time that it was impossible for him to logout & login again.

And I also think this issue is similar to "network shared folder still rejects access" issue:

simply put, it's like this: a user was rejected when he tried to access some network folder without authorization.  Then the access was later on granted by domain admin but all his attempts to access the same folder are rejected.  He has to reopen his Windows session to get around this.

Are these two issues all related to problem in Kerberos?

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Black Screen for Users in RDS 2016

July 24, 2018, 10:59 am
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Windows Server 2016 RDS setup with one DC and 3 session host servers, all running as VMs under Citrix XenServer. This is a session-based deployment for RDP sessions.

Occasionally (that means approx every 7-10 days), new users logging in to RDS get a
black screen. That is, they can successfully log in but then see only a black screen, no task bar, nothing. Users can see moving mouse cursor, and they can bring up the Task Mgr with Ctrl+Alt+End. Sometimes, after 10-15 minutes the user desktop becomes visible, but most of the
time it never does.

Normally, every additional user logging in after this occured also gets the black screen. The only solution is to reboot this session host server.

The servers are updated to PT (July 2018).

Note - I installed an additional session host server recently and noticed that this phenomena does not seem to happen on that one (at least not as frequent). Same update status but was installed from later download media (evaluation edition download from internet, then converted to Standard edition by inputting a license). They do, however, all show the same build number in the settings app: 14393.2248.

So is it recommended to make a new install for all session host servers? Do not really understand why I would have to do that. They have the same update level, just one was installed from a later base media - but it's the same edition. Doesn't a server end up with an identical setup no matter what original media file was used, with all the updates? That should be the point of the updates, or not?

Or is there any other underlying reason for the black screen phenomenon which I should address?

Atradius

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RDS Licensing Server Best Practices and Sizing Info

August 2, 2018, 12:16 pm
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Can anyone help me plz.. on some of the best practices in setting up an RDS licensing server preferably on Windows Server 2012 and any sizing considerations that need to be taken into account for building the server.

Pallab Chakraborty

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Silently Deploy RemoteApp and Desktop Connection

August 2, 2018, 12:24 pm
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Hi,

When I'm trying to deploy RemoteApp and Desktop Connections through GPO, it works but then it fails to update.

Start-Process -FilePath rundll32.exe -ArgumentList 'tsworkspace,WorkspaceSilentSetup', "\\shares\feed.wcx" -NoNewWindow -Wait

the Feed.wcx file:

<?xml version="1.0" encoding="utf-8" standalone="yes"?><workspace name="Enterprise Remote Access" xmlns="http://schemas.microsoft.com/ts/2008/09/tswcx" xmlns:xs="http://www.w3.org/2001/XMLSchema"><defaultFeed url="https://remote.domain.com/RDWeb/Feed/webfeed.aspx" /></workspace>

Applying the previous works perfectly for the first time, but when I update the connection from Task Scheduler it fails with the following error in event viewer:

An error occurred. Contact your workplace administrator for assistance.
Connection name: Work Resources
Connection URL: https://remote.domain.com/rdweb/feed/webfeed.aspx
Error code: 0x800700B7, 0x0

Now, when I manually add the connection in control panel, the update task works normally without any issues.

Do you have any idea why silently deploying the connection causes an issue with the update task?

Thanks in advance,

Housam Smadi,

If you found this post helpful, please give it a "Helpful" vote. If it answered your question, remember to mark it as an "Answer". This posting is provided "AS IS" with no warranties and confers no rights! Always test ANY suggestion in a test environment before implementing!

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RDSH network printer driver sometimes lost automatically

July 4, 2018, 2:19 am
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Hi,

We are using remote desktop session host. the operating system is windows server 2016. Recently several user complain that their printer gone automatically. the printer installed on the printer server. we connected to printer through\\servername\printername.

on the event viewer. Applications and services----->Microsoft----->windows---->print service_

there have some error message like the following:

1. the default printer was changed to \\serveranme\printer name . see the vent user data for context information

2.\\servername\printer name    initialization failed at \\servername\print$\BID\HPBOID.dll.  Error 3. The system can not find the path specified occur because of system instability or a lack of system resources

3. Settings for printer.... were changed. No user action is required.

Anyone what is the problem of this

Looking forward for your feedback

Best Regards,

Apollo Ye

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save any file on local computer

July 30, 2018, 11:54 pm
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Hi

i like when user use rds service and will export any file from program remote only can save on local computer they remote to server.in save as show the local computer folder 

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Unable to delete the Userclass.dat as it is open in SYSTEM

July 29, 2018, 9:18 am
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I have tried to delete the Userclass.dat file precisely as it is annoying to get deleted throwing pop up as : the userclass.dat is used by SYSTEM.

Here are the troubleshooting that I did so far:

1. Tried to delete the user from the User Profiles in System Properties but cannot fine that profile precisely as there are so many Unknown account.

2.deleted the profile from Profile List in registry and rebooted the system.

3. tried to disable inheritance to the .dat file and removed the SYSTEM from the Security.

Let me know what needs to be done next.


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Smartcard pass-through fails when using remote desktop gateway

July 27, 2018, 12:14 pm
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Some admins in our IT group have been attempting to set-up RDS (incl RDG) on Windows Server 2016. It works in most scenarios:

  1. Password auth to RDS server (with NLA)
  2. Smartcard auth to RDS server (with NLA)
  3. Password auth "passthrough" to a server via RDS (with NLA)

I've also verified smartcard auth to a server directly (not with a remote desktop gateway). For some reason, I'm unable to passthrough my smartcard to a server when using a remote desktop gateway. It simply comes back with "login failed" on the client. The "login failed" message appears as an error during the hop to the gateway server (i.e. it doesn't seem to even try to connect to the destination server).

On the RDG server, there are two error events generated:

  • AUDIT FAILURE, ID 4625, Unknown user name or bad password., NULL SID, SubStatus 0xC0000064
  • AUDIT FAILURE, ID 4625, An Error occured during Logon., NULL SID, Status 0x80090347


I'm not sure why a smartcard would work in one situation but result in Unknown user name or password in another. Any ideas on where to start?


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Slow RemoteApp connection, pauses at "Preparing Windows"

July 18, 2018, 12:51 pm
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Hello, we're running a Server 2012 R2 server as an RD server.  When I log into the full desktop via RDP it connects fast, however whenever I launch a remote app to that server and click on "show details" while its connecting I see that when it gets to "Preparing Windows" it hangs there for about 5 - 10 seconds before finally connecting to the app.  We connect from Windows 7 systems and are running RDP version 6.3.9600 with protocol 8.1.

Any ideas?

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Server 2012 R2 RDS Deployment - RemoteApp Issues with Multiple Session Hosts

July 17, 2018, 6:13 pm
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I'm having major issues with a Server 2012 R2 RDS environment when adding an additional Session Host to the existing RDS setup. Here is the configuration so far:-


- 1 x VM running Licensing, Broker & Gateway services

- 4 x VM's running Session Host services (1 = Collection #1, 2 = Collection #2, 3 & 4 = Collection #3)


Before adding the additional Session Host (#4) for Collection #3, everything runs perfect, I can access RemoteApp from RDS gateway and via RDP connection files. However whenever I add the additional Session Host, the collection stops working and I can no longer launch the RemoteApp - the connection begins to load as normal, when viewing "View Details" tab during RDP load process the process stops on "Redirecting to server" and then there's nothing - no RemoteApp. I cannot see any error logs within Event Logs for Connection Broker or existing / new Session Host Event logs. As soon as I remove the new Session Host, everything starts to work again.


I was under the impression that Server 2012 R2 had vastly simplified this process since Server 2008 R2, there is no longer a requirement for Round Robin DNS or Load Balancing because the Connection Broker handles all of this automatically - am I correct? The new Session Host (#4) is an exact replica of the original Session Host (#3), the RemoteApp application is installed in exactly the same file-path and successfully loads when opened locally. I have also re-created the Collection responsible for the 2 Session Hosts, but to no avail.


However, I have noticed that when I try to manually RDP to new Session Host after adding it to Collection #3, I receive the following error:-


Remote Desktop Connection cannot connect to the remote computer.
The remote computer that you are trying to connect to is redirecting you to another remote computer. Remote Desktop Connection cannot verify that the computers belong to the same RD session host server farm


I get around this for Admin purposes by launching mstsc using /admin switch.


Has anybody come across this? It seems simple what I'm trying to achieve but I'm clearly missing something.

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