Installing vCenter Server 5.1 x fails with the error: Error 25003 Failed to Create Repository.
this kb couldn't help to resolve the issue:
Installing or upgrading to vCenter Server 5.1 fails - VMware ...
kb/2036970
Resolution
To resolve this issue, ensure that the password of the vCenter Server database user does not contain special characters, such as <, >, !,@, and #.
none of my password contain this characters
This solution did not help me to resolve my issue, please can you kindly help me.