With SSO Capture Client option enabled on Firewall the users will be authenticated via SonicWall Capture Client, for PCs configured in the Client AV Enforcement list. The Client AV enforcement is supported on all the zones on Firewall. This will allow users to access the Internet seamlessly.
This article will brief about how to Enable SSO Capture Client on SonicWall with Sonic OS 6.5.4.5 and later versions.
To Enable SSO Capture Client on SONICWALL
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 Enable SSO Login via Capture Client setting for periodic sharing of user login information (domain/user format) from Capture Client endpoints to SonicWall firewalls that enforce Capture Client, when there is proper connectivity between the Capture Client endpoints and the Client Management Console (CMC).
      
NOTE: The option Enable SSO Capture Client is disabled by default, and it is not necessary to enable it if you just want to use Client AV Enforcement with Capture Client.