Since updating to 2402 LTSR CU03 and Office 2024, we have been experiencing the following problems:

Some users are having problems with attachments in Outlook.

When they try to open them, the following error message appears:

Path could not be found - Or

Error opening file in Word.

Try the following:

Check the file permissions...

In addition, some users are experiencing the problem that the Workspace APP does not start directly and load into the VDA environment. You have to reconnect it or click on the ICA file.

Does anyone have any ideas?

Regards

Thanks in advanced.

Delivery Controller : CVAD 7.2507

SQL Server: SQL Server 2022 (Standard) 1 Only not use Always On

Port: Change Port 1433 to 2345

After I changed the port, I followed the steps below:

1. Check the connection string.

2. Remove the original connection string.

3. Configure a new connection string.

However, I encountered errors—sometimes the site would not open, or it would show an error as in the attached image.

So, for anyone who has changed the SQL port after completing the CVAD installation, what steps are required? I have tested many times and still run into the issue of the site not opening and errors, so I’m not sure which step I may have done incorrectly, what needs to be fixed, or what the correct procedure is so that Studio can be used after changing the port.

I have followed the directions provided here

Everything appear to be in place, Policies are set, firewall open, sharing enabled. I can see the graphics status indicator.

I start a screen sharing session on one user and try to connect with the other user. I am given a code on the side I am sharing and I paste it into prompt on the side trying to connect.

I try to connect but after 30 seconds or so the side trying to connect errors out with a message stating the code is wrong The sharing screen shows a red border, as if the connection was establish. I have tried the connection from both sides

The only event log I see says that a sharing session has started

Both servers are on the same subnet running identical image. I am logged in with two different users.

I have done typical troubleshooting. Reboots, GPUpdate, Different servers, verify polices are active. I have also tried short keys registry change as described in the instructions

Servers are running Windows server 2022, VDA 2507. Broker is Citrix DaaS.

Google-Fu didn't turn up anything

Any suggestions are appreciated

Thanks

we have recently updated our CVAD agent for our Windows 10 and Windows 11 non-persistent, single session virtual desktops. We were operating with CVAD 2402 LTSR, and two days ago we updated the master images to 2507 LTSR. Everything is working perfectly except for the audio devices. They all appear as 'Speakers (Citrix HDX Audio)' (both on the device selection list and the mmsys.cpl sound control panel). They work normally, but users have a hard time identifying each one.

Moreover, Citrix Studio does show the correct name for every audio device on each session:

Even weirder, if you change the audio device selected for output on the client computer, automatically all devices on the virtual desktop get updated and show their correct name, but until then they remain as Citrix HDX Audio devices, and they revert to that name when opening a new session, but stay with their proper names if you disconnect and reconnect to the session.

The behaviour is the same on the W10 and W11 virtual desktops, and from W10 and W11 clients. We use Workspace app 2507LTSR on all of our clients.

Any idea what might be going on? We'd rather remain using 2507LTSR, but is big enough of an impact to consider reverting to 2402LTSR if we can't fix this:

Profile solution: we are using a custom profile solution with FSlogix ODFC only.

When users connect to the desktop, they are not able to use File Explorer’s “search as you type”. Nothing can be typed in there. Apparantly, if I restart a server, the first lonon is fine; signing out and back in again - it stops working. Have read and tried multiple solutions - read somewhere this was Citrix related issue, then it was MS KB related issue.
What's been done so far:

• HKLM\SOFTWARE\Citrix\Citrix Virtual Desktop Agent 

  Create the following registry value name: (value type = REG_DWORD): Shellbridge, value: 0 - as per https://support.citrix.com/external/article/CTX492734/unable-to-type-any-keyword-in-the-search.html

• Open the Registry Editor.

  Open the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CtxUvi

  Right-click on "UviProcessExcludes" and click "Modify".

  Append "SearchHost.exe;" to the end of the registry value string

  Reboot the affected VDA - as per https://support.citrix.com/external/article/CTX695419/cvad-search-box-of-windows-11-multisess.html

• HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Search

  SearchOnTaskbar = 1 (DWORD)

• HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Search

  EnableDynamicContentInWSB = 0

• tried restarting the explorer.exe user related process - this gets user into blackscreen as the process cant be started

• tried killing the SearchHost.exe on the session

This does not hapen to the local accounts on the server. Only with the domain wide user accounts.

Any help is very much appreciated

is there any way to launch the OneDrive application only in Desktop and not in published application (as a subprocess of the main application)?

Thanks,

Gerald

I’m exploring ways to leverage local GPU and AI cores while working within a Citrix Virtual Apps & Desktops session. With the increasing use of AI applications and machine learning workloads, I want to understand if it’s possible to utilize the capabilities of an AI PC from within a virtual desktop. My goal is to run AI/ML tools, inference engines, or other AI-intensive applications inside a Citrix session without losing access to the hardware acceleration provided by my local machine.

I’d like to know:

1. Is it possible to utilize the local GPU or AI accelerators from within a Citrix session?

2. What configurations or settings are required to enable this — for example, HDX policies, GPU pass-through, or Citrix Workspace app options?

3. Are there any limitations or performance considerations when trying to run AI workloads (like TensorFlow, PyTorch, or inference engines) in this setup?

I’d appreciate if anyone could share real-world experience, recommended approaches, or official documentation that addresses AI PC hardware integration with Citrix sessions.

Thanks in advance for any insights!

Enable TLS / DTLS on VDAs | Citrix Virtual Apps and Desktops™ 7 2503

Server 2022 and 2025 RDS works fine. But Windows 11 (same setup) does not enable SSL.

Checking SSL connection via:

openssl s_client -connect MYVPC.do.main:443

brings:

F8250000:error:8000274D:system library:BIO_connect:Unknown error:crypto\bio\bio_sock2.c:178:calling connect()
F8250000:error:10000067:BIO routines:BIO_connect:connect error:crypto\bio\bio_sock2.c:180:
connect:errno=0

Is there something I forgot ? Do we have to enable something special on Windows 11 VDIs ?

Best regards
Jens

I'm currently struggling with deploying a Windows 11 image.

Unfortunately, I can't disable OneDrive Auto Update, Edge Update, and Defender Anti-Virus.

After my Win 11 target boots, about 11 GB are written to the cache disk. I was able to find out with procmon that these are the main drivers.

Can you tell me how I can reliably disable the above services? There are many reg keys on the internet, but nothing has helped so far.

Thank you very much.

I'm encountering the following error while attempting to update Session Recording to version 2402 LTSR CU1, see the screenshot below:

"Incorrect syntax near the keyword 'IF'.

I also tried installing directly using the MSI as an administrator, but the same error occurred.

The currently installed version is 2203 LTSR CU5.

The (Citrix) Functional level 7.9.

I updated a Citrix infrastructure to version 2507; beforehand, I upgraded SQL Express to 2022, including schema compatibility. The update, including the database upgrade, completed without errors; all Studio and Director applications are working correctly; VDAs can be registered; and connections are established.

However, when I start Web Studio, a message appears after logging in stating that I need to upgrade the site using Site Manager.

Citrix support hasn't been very helpful so far; all services are running, and there are no anomalies in the event logs.

Has anyone encountered this behavior before?

• Windows Server 2022 multi-session desktop VDA

• Windows Server 2022 multi-session app server VDA

• Citrix VDA 2402 CU2 (works), 2402 CU3 (broken), and 2507 (broken)

• Authentication: Enhanced Domain Pass-Through (RCG, per Citrix docs)

• StoreFront: Domain pass-through enabled

• Group Policy: Configured per Citrix and Microsoft docs (Enhanced SSO enabled, Remote host allows delegation of non-exportable credentials, no Credential Guard restrictions, correct SPNs, time sync, etc.)

Problem:

We require seamless single sign-on from a published multi-session desktop VDA into published apps hosted on a separate app server VDA.

• On VDA 2402 CU2: Works as expected.

• Upgrading the app server VDA to CU3: breaks nested SSO. Users can log onto the desktop VDA, but when launching an app from within that session, SSO fails. App server logs show Remote Credential Guard security context negotiation failed errors.

• On a fresh 2507 VDA deployment (Windows Server 2025 and also Server 2022): the same behavior occurs.

• So far, this only reproduces once CU3 or later is involved. CU2 continues to work normally from WS2022 CU3 desktop server VDA to WS2022 CU2 app server VDA. Only when updating app server multi session VDA to 2204 CU3 or newer does the issue occur.

Notes:

• All Microsoft prerequisites for RCG / non-exportable credentials are met (Remote host allows delegation of non-exportable credentials = Enabled).

• No Credential Guard or LSA protection is active (LsaCfgFlags=0, confirmed in msinfo32).

• SPNs are correct and Kerberos works fine for first-hop.

• The issue only appears in second-hop ICA (desktop VDA → app VDA), not client → VDA.

Can anyone else confirm if they are experiencing similar issues with VDA -> VDA enhanced domain passthrough not functioning on CU3 or newer? There are no notes in CU3 saying there are any changes to any enhanced domain passthrough or remote credential guard. For now we have just reverted the app server VDA to 2402 CU2, which solves the problem, but it is only a short term solution as CU's are needed for security fixes, and eventually we would like to move to WS2025 and 2507 LTSR, but the issue occurs there too.

On Site Configuration Testing Report i have This Error:

This doesn’t happen to all users, and there’s no clear pattern. It can happen in the middle of typing an email or just sitting idle. We’ve checked for resource spikes on the host and nothing looks unusual. We’re using Citrix Virtual Apps and Desktops 2203 LTSR on Windows Server 2019.

There are no obvious errors in the event logs either, and it’s hard to reproduce on demand. We thought it might be a display driver issue or something related to the session graphics, but we haven’t been able to confirm that yet.

Thanks in advance.

Once we have set up the load balancing and hit the URL we're getting to a page that shows the following dialog (URL redirects to /citrix/studio/orchserver-error):

In the browser trace I can see a request being sent to the Controller specific URL (https://controller.domain.dom/citrix/orchestration/api/techpreview/ping/status), and it fails as the installed certificate is not trusted.

I can get to the web studio, but I need to enter my load balancing FQDN to the Alternative Delivery Controller -field, which is understandably a step we would like to avoid especially for the frontline support staff. If I enter the LB FQDN to that dialog, I can observe in the browser trace that the status query hits the LB FQDN URL instead (sth like https://lb-studio.domain.dom/citrix/orchestration/api/techpreview/ping/status) that has a trusted certificate.

We have a issue when we try to add users in any application in Citrix Web Studio, it doesn't work.
When we type the name of the user in search field we get no hit on username, the search is also very fast, as if it doesn't connect to AD at all? (my assumption)

But the MMC Studio on same DC is working fine

Any ideas where to begin troubleshooting or suggestions?

Regards, Roger

my workflow:

vda testing

vda pilot

update site incl. WEM, VDA, WEM agent

We are currently evaluating endpoint hardware strategies to enhance performance and user experience within our Citrix Virtual Apps and Desktops environment. As application workloads increase especially with multimedia usage, collaboration tools, and multitasking endpoint capability has become a key factor in overall session quality.

Our team has started testing newer endpoint devices marketed as the best ai pc, leveraging modern CPUs, integrated GPUs, and NPUs alongside Citrix HDX optimizations. Initial results indicate smoother graphics rendering, improved video conferencing performance, and faster session responsiveness when paired with well-tuned Citrix policies.

I’d appreciate insights from others who have explored similar upgrades:

• Which endpoint specifications have delivered the best results?

• Any recommended Citrix policy configurations?

• Noticeable productivity or performance gains?

Thank you in advance for sharing your experiences and recommendations.

The VDAs restart every night and work for hours until the problem occurs.

The Citrix Health Assistant also indicates that it cannot register the VDA. "VDA Registration failed - VDA Machine Domain Membership."

DNS and domain membership are fine. I've already recreated the computer account.

If I'm correct, the problem only affects VDAs from a specific delivery group, where the machine catalog and the delivery group have a 1:1 relationship. Each machine catalog is assigned to a specific delivery group. I've attached the log and a screenshot.

CitrixHealthAssistant.log