Forum Discussion
Prompted for credentials when accessing mapped drive via VPN
I have a strange issue that is happening for a few users. They have domain joined computers and when connecting to VPN and then opening a mapped drive they are getting prompted for their AD credentia...
I'd check the domain controller and problem member both have the static ip address of DC listed for DNS and no others such as router or public DNS. Also check the required ports are flowing between the two.
https://support.microsoft.com/en-us/help/179442/how-to-configure-a-firewall-for-domains-and-trusts