TFS Build Agent Pool: Error Connecting The Server

Question

TFS Build Agent Pool Setup Error:

I am trying to setup an agent pool on a server on a domain to connect to the TFS which in another domain,

Expected:

A prompt appear to enter the Authentication for the user name & Password for the TFS

What Happen: Error:

Error Connecting The Server, An error occurred while sending the request.

The PowerShell Script:

PS C:\agent> .\ConfigureAgent
An existing configuration file was detected. This will update the local agent settings. Do you want to also replace th e server registration (default is N)? n
Enter the name for this agent (default is Agent-UKWTSVULM768) -------
Enter the URL for the Team Foundation Server (default is ) https://tfspro.-----.-------.net/tfs
Configure this agent against which agent pool? (default pool name is 'default')
Enter the path of the work folder for this agent (default is 'C:\agent_work')
Would you like to install the agent as a Windows Service (Y/N) (default is N) n
ErrorConnectingToTheServer
An error occurred while sending the request.
PS C:\agent>

Cece Dong - MSFT Cece Dong - MSFT · Accepted Answer · 2016-09-29T10:26:13

I just tested on my side to deploy a build agent cross domain. After enter the TFS domain username and password, I got a TF14045 error.

After seeing this error, run .\RunAgent.cmd, you'll see the agent register successfully.

Another way you can try is to create a shadow account like case How to authenticate build.vnext agent to on-premise TFS do.