May 19, 2017 · SonicWall SonicOS 18.104.22.168 Release Notes 3 A new page is added to the SonicOS web management interface, Network > DNS Proxy. Select the Enable DNS Proxy checkbox to globally enable the feature.
Mar 16, 2020 Unable to access remote computer by host name - SonicWall 2) If SonicWall is the DHCP server, then you have to change the DNS server settings of the DHCP scope. Change the DNS server address on SonicWall's DHCP scope. Login into SonicWall GUI. Click Manage in the top navigation menu. Click on DHCP Server, click on the configure button of the correct DHCP scope and click DNS/WINS tab. Configuring DNS Proxy in Sonic OS 22.214.171.124 and - SonicWall
Specify the required DNS and WINS servers IP addresses and click OK. How to Test: Use the KB ID 170505850768290 for Global VPN configuration steps and connect a Global VPN client. Once connected, check the DNS and WINS server setting for Virtual Adapter Connection in the PC to make sure it has correct DNS and WINS IP server addresses.
In the advanced VPN settings I was able to configure the firewall to assign the Sonicwall's IP as the DNS server to the clients, but that did not resolve the problem. If I have put another DNS server on the network somewhere I can, but I'd like to avoid that if possible. To configure the SonicWALL appliance(s) to obtain the DNS server information automatically, select Obtain DNS Server Address Automatically. To specify DNS servers, select Specify DNS Servers and enter the DNS Server IP addresses. The VPN > DHCP over VPN page allows you to configure a SonicWALL security appliance to obtain an IP address lease from a DHCP server at the other end of a VPN tunnel. In some network deployments, it is desirable to have all VPN networks on one logical IP subnet, and create the appearance of all VPN networks residing in one IP subnet address space. What are the networks configured for your VPNs? Each VPN needs to be aware of the networks it will be connecting to. Your 'Destination Network' settings need to include the other networks so for instance on the 10.25.0.0 network the VPN destinations should include both the 10.100.0.0 network as well as the 10.30.0.0 network.
Use IP Helper with Sonicwall VPN for Active Directory
So, SonicWall is right that SSL VPN doesn't inherently make DNS records, but Windows does. Try disabling this setting for one of your problem children and see if it fixes the issue as a test. Make sure you do it on the SonicWall virtual NIC and not on their actual physical NIC: