The Enterprise Gateway Validation server will not start. However, user store test binding works. The Domain Certificate is loaded in the Gateway but the Validation server still will not start.
Windows Event Log errors:
Events 36884 and 36888 on the Application server
Radius Validation Server:
Server was not started
This problem occurs because of an error in Windows 7 and in Windows Server 2008 R2. The LDAP client stores the node's canonical name in the alias field. This problem occurs if the node alias and the node name are different.
Registry missing value:
This issue requires a registry change..
Important: This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
How to back up and restore the registry in Windows: https://support.microsoft.com/en-us/kb/322756
Note: You must restart the computer after you apply this hotfix.
Referenced from, https://support.microsoft.com/en-us/kb/2275950
If the issue still is occurring use the attached LDP.exe to bind to the SSL port used for LDAP normally port 636. Note the error that occurs.