MSSQL 2005 SP1 not updating database services

[vmaruv]

Hi,

I have a clustered setup on Widows 2003 server using MS Virtual Server 2005.
I have installed a SQL server clustered setup using MSSQL server 2005 Beta version. Later, I had uninstalled and have setup 2005 standard edition failover clustering.

Everything seems to be working fine till this point. But When I try to apply SP1, on the standard edition setup, it fails to apply SP1 just to the database services with a warning message. The message is authentication failed. I have tried using all possible combinations but it does not work.

Can anyone suggest what might be wrong ?

Your help is highly appreciated.

Thanks and Regards,
Vidya.