OpenVPN nested VPN

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I have an issue here where a user is initiating an OpenVPN connection from their PC and then starting GlobalProtect VPN to connect to another system. The reason is whitelist. The initiating user must be whitelisted from a specific IP and we were hoping to use OpenVPN to provide our public IP as whitelisted for the AnyConnect VPN.
Ping and routing works fine with AnyConnect connected, however DNS will not pass to any server other that the specified one. We have set "provide a default domain" and "provide a DNS server list," but have not specified "block outside DNS."

Any ideas?

THX,
-JB