The session search view is valuable for large configurations when an identity framework (Windows Security, SAML 2.0, OpenID Connect and so on) is active so that a user's ID can be searched.
If a user has called for assistance in using an application or for a connection issue, it can be helpful to find that user's sessions.
NOTE: For Clustered servers, best to use the Cluster View All Users List View since it shows all active users in alphabetical order across all defined servers.
To select, first Right-Click on the server an select Session Search:
This will display the Search options. The default is User ID / LU Owner but if the user has other information such as LUName/DeviceID you can use that (or User IP Address). Enter the search Text and click Search, then close the Search Parameters Dialog:
This will display only those sessions that match the search criteria: here 2 sessions have been found:
Next Section: Refresh Server View