![]() XenDesktop 5 Service Pack 1 addresses an issue with Disjoint DNS namespaces. It might be necessary to modify the Primary DNS suffix on the VDA. ![]() Note that the Event ID lists the DNS name of the Virtual Desktop Agent (VDA). Verify that the user has permissions to access this data source. Option on the Session Details page reports the following error:“ Failed to initiate Remote Assistance: You have insufficient permissions (error code 102)…”Īccess was denied when accessing the data source 'virtual desktop via Remote Assistance DCOM' (''). If Remote Assistance is not correctly configured on the virtual desktop, the Shadow feature of Desktop Director becomes unavailable, as displayed in the following screen shot. Ensure these ports are not blocked by any firewall. Note: Remote Assistance uses dynamic ports TCP/UDP 49152 – 65535. ![]() Microsoft Group Policy for Remote Assistance must be configured as well:Įnable Computer Configuration > Administrative Templates > System > Remote Assistance > Offer Remote Assistance and add Director users to the list of Helpers. See Microsoft KB - Windows XP SP2 Firewall blocks offers of Remote Assistance. The installer makes the following configuration changes:Įnable the Windows Firewall exceptions for Remote Assistance.įor Vista and later, enable Remote Assistance exception.įor Windows XP, complete the following procedure:Īdd and enable “%systemroot%\PCHEALTH\HELPCTR\Binaries\helpsvc.exe” exception. The following screen shot is displayed when the Windows Firewall/Internet Connection Sharing (ICS) Service is set to Enable. The following screen shot is displayed when the Windows Firewall/Internet Connection Sharing (ICS) Service is set to Disable. On the Virtual Desktop Configuration screen, select User Desktop Shadowing to automatically configure Remote Assistance. The XenDesktop VDA installer can configure Remote Assistance for use by Citrix Director. Choosing Not to Enable Remote Assistance.
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