The OTP signing certificate cannot be enrolled by the Remote Access server from certificate template %1!s!. 2. The OTP signing ...

1. The OTP signing certificate cannot be enrolled by the Remote Access server from certificate template %1!s!.
2. The OTP signing certificate cannot be renewed by the Remote Access server.
3. The OTP signing certificate does not have the required EKU
4. The OTP ISAPI extension does not have permissions to use the OTP signing certificate.
5. The OTP signing certificate has expired.
6. The OTP signing certificate has been revoked.