changed domain admin password -SSO

I installed vcenter as a domain administrator but since then I changed the domain admin password. Where in sso do I need to update or make changes about this?

in the vpxd log

I see this

013-09-09T09:46:01.105-07:00 [03636 error '[SSO]' opID=9f036c7b] [UserDirectorySso] AcquireToken InvalidCredentialsException: Authentication failed: Authentication failed

2013-09-09T09:46:01.105-07:00 [03636 error 'authvpxdUser' opID=9f036c7b] Failed to authenticate user <domain\administrator>