CMC - database connection string

Hi,

I'd like to change server name in my DataServices connection in CMC (CMC -> DataServices).

Does anybody has idea where can I change Database Connection String which is autmated filled in CMC-> DataServices -> Repository ?

Every time when I want to connect to this repository database I'm getiing infoamtion with error of connection where is information with old server name

My DS version: 4.0 SP3

I'm

Regards