During Agent Installation, Adding “Control Server” Name and Ports Generates Error Message

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KB Article ID: 10203

Product: Installation
Product Version: 6.0.0.0
SharePoint Version: 2010 SP1

Details:

During an Agent installation on a WFE/SQL, after inputting the  Control Server name and port and clicking Next, the following error message is generated: Manager cannot connect to agent. This indicates that the Agent to Manager connection is fine, but Manager to Agent is not.​

SYMPTOMS:

Despite no firewalls blocking the ports, all permissions work properly, and servers can be pinged both ways​, the test still fails during Agent install.

CAUSE:

Service called Net. Tcp Port Sharing Service must be running in order for the Agent installation to complete.

SOLUTION:

Check if Net. Tcp Port Sharing Service is stopped or disabled. Enable and run the installation again.​