Problem Definition:
If the DNS search domain on a client machine connecting using Connect Tunnel includes the DNS search domain defined on the appliance, DNS lookups may fail unless a domain resource is added that defines the given search domain.
Resolution:
Below is an example of the DNS search domain setting on the SonicWall Aventail appliance, and the accompanying domain resource that needs to be defined in order to allow DNS lookups within the given domain to succeed.
Network DNS Configuration:
Resource configuration: