Hi,
Please check few thing.
How many sapstartsrv is running on the server. Are all of the same version....
Please check as many times if there are different version of sapstartsrv running the issue happens.
Have you already check 5,6,7,8 and 9...as its posted in the blog before.
1563660 - sapcontrol, <sid>adm authorization issues (SUM)
Thanks
Rishi abrol