If the issue persists after all steps, collect NetExtender logs ( C:\Program Files (x86)\SonicWall\NetExtender\logs ) and open a case with SonicWall support.
Get-NetConnectionProfile Look for the interface matching your VPN (often named “Unidentified network”). Change its category to (if allowed by security policy): Sonic Windows Zone Not Working
Set-NetConnectionProfile -InterfaceAlias "Ethernet X" -NetworkCategory Private Replace "Ethernet X" with the actual interface name from Get-NetConnectionProfile . If the issue persists after all steps, collect