App Control: Unified Management Error: "one of the servers you tried to add is already connected to another unified server"

Products

• Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

Unable to connect child servers to client server:     

Error: one of the servers you tried to add is already connected to another unified server

Environment

• App Control (formerly CB Protection) Unified Management: All Versions

Cause

Connection was broken between the servers and the machine did not receive an update to disable Unified Management

Resolution

On client server:

1. Access https://servername/shepherd_config.php 
2. Select UM_Mode from the dropdown 
3. Note the property value 
4. Enter 0 and then save. 

 

Additional Information

Note: If the central server's value is already set to 0, please check the value of the child server, you may set them to 0 if necessary.