Trying to connect to our new Remote Desktop Gateway but cannot connect. I am able to see the Welcome message to the RDGateway, but cannot connect to the remote computer after clicking ok.
The error thrown from remote desktop is as follows;
Remote Desktop can't connect to the remote computer...for one of these reasons:
1) Your user account is not authorized to access the RD Gateway
2) Your computer is not authorized to access the RG Gateway
3) You are using an incompatible authentication method
In the event log of the RDGateway under Network Policy & Access Services I see the following
EVENT 6274
Network Policy Server discarded the request for a user.
Contact the Network Policy Server administrator for more information.
User:
Security ID: NULL SID
Account Name: %DOMAIN%\%USERNAME%
Account Domain: %DOMAIN%
Fully Qualified Account Name: %DOMAIN%\%USERNAME%
Client Machine:
Security ID: NULL SID
Account Name: %COMPUTERNAME%.%DOMAIN%
Fully Qualified Account Name: %DOMAIN%\%COMPUTERNAME%$
OS-Version: -
Called Station Identifier: UserAuthType:PW
Calling Station Identifier: -
NAS:
NAS IPv4 Address: -
NAS IPv6 Address: -
NAS Identifier: -
NAS Port-Type: Virtual
NAS Port: -
RADIUS Client:
Client Friendly Name: -
Client IP Address: -
Authentication Details:
Connection Request Policy Name: TS GATEWAY AUTHORIZATION POLICY
Network Policy Name: -
Authentication Provider: Windows
Authentication Server: %RDGATEWAY-COMPUTERNAME%.%DOMAIN%
Authentication Type: Unauthenticated
EAP Type: -
Account Session Identifier: -
Reason Code: 5
Reason: The Network Policy Server was unable to connect to a domain controller in the domain where the account is located. Because of this, authentication and authorization for the RADIUS request could not be performed.
EVENT 4402
There is no domain controller available for domain AD.
Under Remote Desktop Services I see the following;
Event 201
The user "%DOMAIN%\%USERNAME%l", on client computer "%CLIENT-IP%", did not meet connection authorization policy requirements and was therefore not authorized to access the RD Gateway server. The authentication method used was: "NTLM" and connection protocol used: "HTTP". The following error occurred: "23003".