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Apply this hotfix only to systems that are experiencing this specific problem. However, this hotfix is intended to correct only the problem that is described in this article. This issue occurs because the channel is not closed when the channel receives an error when the virtual channel is created.Ī supported hotfix is available from Microsoft. This issue occurs because of a race condition that occurs when the system cannot open a static virtual channel. In this scenario, the operation that opens the static virtual channel stalls for 10 seconds when the system tries to open the nonexistent virtual channel again. The application tries to open a static virtual channel by using a channel name that does not exist. You run an application that uses Windows Terminal Server virtual channel APIs (such as the WtsVirtualChannelOpen and WtsVirtualChannelClose APIs) to create and use virtual channels in a Remote Desktop Protocol (RDP) session. You have the Remote Desktop Services (RDS) role installed on a Windows Server 2012-based computer. For example, when you schedule several print jobs in a Remote Desktop Protocol session, the print jobs are deleted. This issue does not affect other running RDP sessions. Additionally, Virtual channel communication fails in the RDP session if you do not reestablish the connection. In this situation, RDP static virtual channels do not work. You run an application that uses Windows Terminal Server virtual channel APIs (such as the WtsVirtualChannelOpen and WtsVirtualChannelClose APIs) to create and use virtual channels in a Remote Desktop Protocol (RDP) session. Issue 1Īssume that you have the Remote Desktop Services (RDS) role installed on a computer that is running Windows Server 2012.

On a Windows Server 2012-based computer that has the Remote Desktop Services (RDS) role installed, the following issues occur.

Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2012 Standard Windows Server 2012 Standard More.