I'm having trouble with managing laptops in our Windows (2012 R2) domain.
We have our DNS server configured for secure dymanic updates. We have our DHCP server configured to always update the DNS server records using an AD user credential (let's call it DHCPUpdateUser).
When the laptops are in the office and connected to the local network, DHCP leases them an IP address and registers it on the DNS server as expected.
However, when the laptops are taken out of the office and connect to our SSTP VPN, RRAS gives them a new IP address and this does not get registered on the DNS server, so PDQ can't resolve the hostnames and thinks they're offline.
I have a DHCP Relay Agent set up in RRAS, but that doesn't seem to make any difference (other than passing DHCP scope options through to the VPN clients).
I have tried enabling the "Register this connection's addresses in DNS" option in the VPN connection settings on the laptops, but that doesn't work because the existing records on the DNS server are all owned by the aforementioned DHCPUpdateUser and the laptops do not have permission to edit them. The laptops will not create additional records on the DNS server either.
How can I get the VPN clients' IP addresses to be registered on the DNS server so that PDQ can resolve the hostnames and see they're online?
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