DB2 adminstration server was not started

I try to create a new database in DB2 instance, but I get:

DB2 adminstration server was not started. Run db2admin start ...

How to use userPrincipalName (UPN) for logging to BPM

I have worked with one BPM environment recently.
There is the LDAP repository (GC mode) in it and several domains are included.