A user experiencing a similar issue noted that this was the issue that prevented access over VPN. The best way which will change depending on your settings is as follows.
Everything works great except one thing.
Join pc to domain over vpn. To do this you need to go to the Control Panel choose System then click Change settings in Computer name domain and workgroup settings section. Login to Windows locally Establish VPN doesnt matter what type of VPN. Join windows domain over vpn ipsec tunnel Greetings I have an ipsec interface mode vpn tunnel between a fortinet 60 s and 1000a.
Now add the domain user. Enter the corporate internal Domain name such as MyDomainlocal in the Domain box. After that click ok.
Once logged in as the local user establish a VPN connection to the destination network. Adding the client computer into domain isnt complicated procedure. Double click Internet Protocol Version 4 TCP IPv4.
Right click on the VPN connection and select Properties. Youll need to use the format MACHINENAMEUSERNAME. Press Ctrl Alt Del and select switch user.
With Windows Vista or Windows 7 and youre using the Windows VPN you can establish a VPN connection using the domain administrator account join it to the domain then without loggin off select to Switch User while its still connected to the VPN then logon with the domain user account that will be using this laptop. You will not yet be able to login as a domain user because you need to establish a VPN connection in order to see a domain controller to allow the login and set up the domain account. Joining the domain using a Windows VPN client.
Click on the Network ID button on the Computer Name tab. Connect the VPN client. This will keep you connected to VPN and allow new account to cache on PC.
What theyre saying above is you need to Remote Desktop to a computer in the AD domain at the office after establishing VPN connection. Use the Network ID Open the Control Panel All Control Panel Items System. It was creating issues with DNS so depending on what your DNS Server is make sure the IP to the Machine that is Connecting using VPN is not the same as your.
In the resulting window select Change Settings. Right click on Computer formerly My Computer and choose properties. Windows 7 allowed for PPTP VPN to be connected before login attempt allowing connection to domain for validation of uncached profileslogins.
Connect first then logon. Enter the IP address of your DNS server in your preferred DNS server. It sounds like it isnt possible to join a computer to AD domain over VPN but I may be wrong.
The issue was that the IP address for the computer was the same as the Domain Controller. Check out this postto get more details about the command. A pc at a remote site cannot join a windows domain.
Connect to VPN using domain account with dial-up access in AD. Connect again to the VPN. In new window named System properties choose Change and put there domain name.
Once the pc is joined everything else works including domain login and share access. It goes something like this. Select the option that describes your network and press Next.