The server does not have a source control system installed on it, or the user name is not recognized.

You're trying to use the Enable Source Control command to set up source control for your Web project. However, either source control is not installed on the Web server, or the server doesn't recognize your user name.

• To correct this error, set up source control on your server.

  -or-

  Establish yourself as a user on the server.

For more information, see Source Control and Security.