Change domain Admin pwd

Change domain Admin pwd

Hello we have just changed daomian admin pwd in active directory and i am not able to login anymore to servicedesk, i think is becaouse we integrate with active directory and admin users are from ad aswell, I tried this proceudre without sucess, any idea:

https://pitstop.manageengine.com/portal/en/kb/articles/how-to-reset-administrator-password-in-servicedesk-plus

i tried to go back to previous admin pwd an no luck aswell.