Failed to register this test agent with the test controller. Possible reasons could be you do not have permissions to connect ...

Failed to register this test agent with the test controller. Possible reasons could be you do not have permissions to connect to the test controller or a firewall is blocking the connection.
To fix this problem, verify the test controller is running and you have appropriate permissions to register test agent with the test controller. Refer to this page for more details: {0}