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You may receive an error code indicating that the Desktop Delivery Controller is not registered. There are several ways to solve this problem, and we will do it shortly. This issue is usually caused by the virtual desktop machine specifically preventing the Desktop Delivery Controller (DDC) machine from accessing a person on the network. In other words, the option “Access this computer where the network originated” or the right to connect is simply not specified for the Delivery Controller.
As a Senior Technical Relations Manager for Enterprise Support at Citrix, I’ve come across a lot of questions and instances where the Virtual Desktop Agent (VDA) is unable to communicate with the Delivery Controller (DDC). As with other devices (Citrix or other vendors), there are many possible causes for these connectivity issues. The purpose of this blog post is to provide a one-stop resource that you can use to start troubleshooting in order to resolve your issue as quickly as possible.
How do I troubleshoot VDA registration?
Installing the VDA software. Make sure the VDA agent is installed.Domain membership of the VDA computer – Verify the trust relationship using the primary domain.Availability of VDA communication ports. Make sure the required ports are open and not being used by any other applications.
Yes, over time, everyone forgets the basic settings, which can also happen to many experienced administrators. Here are five of the most common mistakes and how to fix them:
1. Wrong List Of All DDCs:
If you see errors in the event log that the desktop service cannot beCannot communicate with the actual Desktop Delivery Controller (DDC), this usually indicates a misconfigured VDA and/or its inability to get the best list of DDCs.< /p>
What can cause a VDA registration issue?
time synchronization. Time skew can prevent VDA agents from registering with DDC and can be easily verified/tested by making sure the Windows Time service is actually running on the VDA. If the actual service is in a stopped state, try starting the service and see if that solves the time sync issue and if the VDA is organized correctly.
Currently, there are several ways to deploy a VDA list DDC:
- Thanks to a great policy;
- Added list during installation, including VDA (graphical interface or control line);
- If you are using MCS, allow MCS to handle this notification automatically.
- Based on the Active Directory organizational unit (old).
All special options have their drawbacks and some. I recommend ordering the delivery game controller names by policy (setting my “Launch later (advanced)” option when installing VDA) and letting Citrix update automatically (policy enabled by default) to sort the list to keep it current. This setting provides flexible targeting and control.
2. Blocked Communication Ports:
In situations where the VDA status is displayed even if Studio shows “Not Registered”rirovan” and the VDA event contains log messages that the desktop service cannot register with DDC, this is quite likely. If so, make sure the firewall software (both the Windows firewall on the actual VDA and any other firewalls in the middle of the VDA and DDC) is configured correctly.
How do I register for Citrix?
A Citrix Authorized Partner can register your company in the Easy License program for you. Contact a Citrix Authorized Partner for help setting up a Citrix account or enrolling in the Easy Licensing program. Find a partner at www.Citrix.com/Partners/Locator.
The VDA needs port 40 or 443 to communicate, and there is enough reason for the destination ports 1494 and/or 2598 (for session reliability reasons, default simplification) to be open for communication.
DNS resolution problems are common and often overlooked, primarily because DNS is already configured and pre-configured DNS problems are easy to spot and quickly resolve. Just ping the DDC FQDN from that VDA and see if it can be resolved andorot (send a ddc echo request to the VDA FQDN).
4. Office Service
In some cases, the Desktop Service will not normally start, which can result in a timeout. In this situation, on your website, you can set the startup type to “Delayed AutoPlay” instead of “AutoPlay”. Another reason the solution won’t launch is because the launch range is set to “Manual”. In this case, change the startup option to AutoPlay.
The main cause of Desktop Service delay is due to the architecture that uses the Microsoft Service Control Manager (SCM), which doesn’t even allow enough time for the services to start. In particular, it may affect its services that use the Microsoft .NET Framework. By default, Microsoft .Net Processes incurs an additional cost to run a process. These include:
You can set the right after the registry entry (on the VDA) to grantMore time to start and initialize services.
5. Time Synchronization
How do I force a VDA registration?
On the Delivery Controller home page, in the VDA installation wizard, select Run manually. Then enter your primary FQDN the installed controller and click Add.For a large command line installation of VDA, use the /controllers package and specify the FQDNs of all installed controllers or cloud connectors.
Time warping can cause non-vdas to register with these DDCs. This can be easily verified/verified by making sure the Windows Time service is running on the VDA. If the service stops, try starting it and see if the sync issue is resolved and if the VDA is registered correctly.
If you’re using a merged random directory, fix the issue with the custom Windows Time service in the runtime image and update the main directory image. Also check if the remote workstations successfully join the domain right after the boot.
Note. By default, the Kerberos retention time for the entire domain is set to 7 minutes.
6. Permissions “Access This Computer From The Same Network” (additional Option Displayed When Using Secure Environments)
Change the permissions, I would say, in the “Access this computer through Network (Microsoft GPO → Computer Alternatives → Policies → Windows Settings → Security and Safety Settings → Local Policies/User Citizenship Assignments) and remove the NT AUTHORITY NETWORK account from this list may break the registration process.
Why is CITRIX desktop service not registering with my delivery controller?
“The Citrix Desktop Service failed to register with the birth controller. The service will retry connecting to the birth controller after a period of up to 10 minutes. Make sure that at least one delivery controller is always available for registration of virtual agents. desktop.
If these event IDs are from 1002/1207/1221 to 1223) can be activated on each VDA.
If you encounter these errors, look for specific GPOs that modify this setting. Use gpresult to verify that the NT AUTHORITYNETWORK credit account is still listed as an attacker who can access the computer system (VDA) from the network.Solve your computer issues now with this reliable download.
What is a delivery controller?
The delivery controller is the entire server component required to manage user access and negotiate and optimize connections. Controllers also provide services for creating machines that create images of workstations and servers.
Why are my Active Directory and delivery controllers not working?
Active Directory based OU (legacy OU discovery) based MCS (personality.ini) 2. The VDA or delivery controller has incorrect DNS settings. pair. Network problems prevent communication. 4. Delivery controllers are not available on configured ports.
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