What steps will reproduce the problem?
1. Create a Repository
2. Add a Remote Server

What is the expected output? What do you see instead?
The option "Use a git repository on the server" is marked as not available

What version of git-annex are you using? On what operating system?
Version: 4.20130405 but on Webapp ist shows: Version: 4.20130324
Linux 64bit

Please provide any additional information below.
git and git-annex are available on the Remote Server