You can view information about a site, such as:
The installed version of Barracuda RMM
The installation date
The Global Unique Identifier (GUID)
The public IP address for Onsite Manager
The GUID provides a unique reference number for the software and is used for troubleshooting and setting up integrations with some third-party professional services automation (PSA) systems.
In Service Center, click Site Management > Sites.
Click the site for which you want to view the information.