Symptoms
A Client Error message will appear as you fail to connect to a horizon desktop:"VDPCONNECT_REJECTED: The connection to the remote computer has been refused."Horizon Client logs and Horizon MKS logs, with the latest cross-platform client release, contain a keyword Blast_Connect_Failure_Alert to aid in expedited failure diagnosis.Log Location: Location of Horizon (VDM) log files (1027744)
vmware-mks-<pid>.log
2023-02-28T05:08:35.368Z In(05) blastSocket [BlastSocketClient] BlastSocketClientConnectFailureAlert: Could not connect to Desktop.
2023-02-28T05:08:35.368Z In(05)+ blastSocket Blast_Connect_Failure_Alert: Reason: VDPCONNECT_REJECTED (3)
2023-02-28T05:08:35.368Z In(05)+ blastSocket Blast_Connect_Failure_Alert: host:X.X.X.X port: 22443 httpProxy:null fqdn:null
2023-02-28T05:08:35.368Z In(05)+ blastSocket Blast_Connect_Failure_Alert: error: 6 detailed: 0 httpStatus: 403 ClientContext:22F2E20FC00
vmware-horizon-viewclient-<nnn>.txt
2023-02-27T21:08:35.369-08:00 WARN (01) [libsdk] : RMKSWindow::OnConnectionStateChanged:2352: Blast_Connect_Failure_Alert: (22FA0205140) disconnected with VDPCONNECT_REJECTED error: 'VDPCONNECT_REJECTED: The connection to the remote computer has been refused.'.
Cause
f you are experiencing a "connection to the computer has been refused" error, it means that your computer is unable to establish a connection with another device or server. This error can be caused by a variety of factors, such as network issues, firewall settings, or incorrect connection parameters.
Resolution
Client Side - End User Perspective:
Do you have general internet or intranet connectivity on the device?Are other corporate resources available and accessible?Can you reach the address configured for your horizon client via a Browser?Is the address correct? No typos or partially complete addresses?
Troubleshooting Steps for a Horizon Administrator:A common cause would be passing through a device that is not authorized to convey the traffic.
Troubleshooting Intermittent Blast Connection Issues in Unified Access Gateway (UAG) (83088) outlines this scenario in detail Check network firewall settings: Check the firewall settings & ensure that no rule can impede the connection. You may need to add an exception to your firewall to allow the connection.
Related Information
This is a child article of Enhanced Horizon Blast Error Codes with Horizon Client 2303 and Later (91013)
