Error Message: Unable to establish a connection to the Server. Please check the connection details and Server availability

Symptom

When you attempt to login to the TaskCentre client you receive the following error message:

Unable to establish a connection to the Server. Please check the connection details and Server availability.

Cause

Multiple causes; the two most common being:

  1. The TaskCentre server service is not running
  2. The TaskCentre server service is running but is not accepting connections

Applies To

TaskCentre Server

Resolution

There are a number of resolutions to this error; therefore the key is to try each one in turn.

  1. Check the TaskCentre server service is running. If the service is in a stopped state, you can start it by typing in the following from a command prompt: NET START TCServer
  2. Confirm the service is accepting connections by typing in the following from a command prompt on the TaskCentre server: telnet localhost 4223
    If it connects successfully you will see a blank screen with a flashing horizontal cursor.If you receive the error “Could not open connection to the host, on port 4223: Connect failed” you should upgrade to the most recent build of TaskCentre as this will often resolve the issue. As a minimum you should be running TaskCentre 4.6.