The vmware-mksvchanserver log in the virtual desktop shows a pcoip_vchan_open error: -503
2016-08-11 09:56:24.585 [0C70] ## Starting MKSVchan Server logging.
2016-08-11 09:56:24.585 [0C70] wWinMain: Loading pcoip_vchan.dll.
2016-08-11 09:56:24.601 [0C70] wWinMain: Finished loading pcoip_vchan.dll.
2016-08-11 09:56:24.601 [0C70] wWinMain: Calling pcoip_vchan_plugin_app_init.
2016-08-11 09:56:24.726 [0C70] wWinMain: pcoip_vchan_plugin_app_init finished.
2016-08-11 09:56:24.726 [0C70] MKSVchanWin32_ReadRegistryDWORD: Registry key HKLM\Software\Policies\Teradici\PCoIP\pcoip_admin not found.
2016-08-11 09:56:24.726 [0C70] MKSVchanWin32_ReadRegistryDWORD: Registry key HKLM\Software\Policies\Teradici\PCoIP\pcoip_admin_defaults not found.
2016-08-11 09:56:24.726 [0C70] MKSVchanWin32_ReadRegistryDWORD: Registry key HKLM\Software\Policies\Teradici\PCoIP\pcoip_admin not found.
2016-08-11 09:56:24.726 [0C70] MKSVchanWin32_ReadRegistryDWORD: Registry key HKLM\Software\Policies\Teradici\PCoIP\pcoip_admin_defaults not found.
2016-08-11 09:56:24.726 [0C70] Registering connect callback function
2016-08-11 09:56:24.741 [0C70] We are already connected, so check the channel state now.
2016-08-11 09:56:24.741 [0C70] mksvchanplugin CONNECTED.
2016-08-11 09:56:24.741 [0C70] MKSVchanPluginHandleConnect: Opening new channel with capability 0x04000001.
2016-08-11 09:56:24.741 [0CAC] MKSVchanWin32_ReadRegistryString: Registry key Software\VMware, Inc.\VMware VDM not found.
2016-08-11 09:56:24.741 [0C70] pcoip_vchan_open succeeded.
2016-08-11 09:56:24.741 [0C70] MKSVchanPluginHandleConnect: Legacy virtual channel state is 1 and capabilities are 0x00000000.
2016-08-11 09:56:24.741 [0C70] MKSVchanPluginHandleConnect: Other side has legacy virtual channel open. Opening now.
2016-08-11 09:56:24.757 [0C70] pcoip_vchan_open error: -503
2016-08-11 09:56:24.757 [0C70] FindProcess: Successfully opened process handle.
2016-08-11 09:56:24.757 [0CAC] MKSVchanPlugin_HandleRecvRdy: Channel is not active.
2016-08-11 09:56:24.757 [0CAC] MKSVchanPlugin_HandleRecvRdy: Channel is not active.
2016-08-11 09:56:24.772 [0C80] MKSVchanPluginHandleOpened: New channel opened with capability 0x04000001.
2016-08-11 09:56:24.772 [0C80] MKSVchanPluginHandleOpened: MKSVchanPlugin is active. Negotiated capability is 0x04000001
2016-08-11 09:56:24.772 [0C80] MKSVchanPluginHandleOpened: Queueing vchan RECV_RDY that we may have missed.
2016-08-11 09:56:24.772 [0CAC] MKSVchanPlugin_HandleRecvRdy: Allocating 869 bytes for the clipboard payload
2016-08-11 09:56:24.772 [0CAC] MKSVchanPlugin_HandleRecvRdy: Retrieving 868-byte payload took 0 seconds
2016-08-11 09:56:24.772 [0CAC] MKSVchan_SetClipboard: Text data size 828.
2016-08-11 09:56:24.772 [0CAC] MKSVchanPlugin_HandleRecvRdy: Setting clipboard took 0 seconds
2016-08-11 09:56:27.315 [0CAC] MKSVchanPlugin_HandleRecvRdy: Allocating 139 bytes for the clipboard payload
2016-08-11 09:56:27.315 [0CAC] MKSVchanPlugin_HandleRecvRdy: Retrieving 138-byte payload took 0 seconds
2016-08-11 09:56:27.315 [0CAC] MKSVchan_SetClipboard: Text data size 98.
2016-08-11 09:56:27.315 [0CAC] MKSVchanPlugin_HandleRecvRdy: Setting clipboard took 0 seconds
2016-08-11 09:56:28.096 [0CAC] MKSVchanPlugin_HandleRecvRdy: Sending the clipboard is disabled by policy. Ignoring clipboard request.
Does anyone have an idea on how to fix this?