When deploying a syspreped image the Altiris account gets locked after the image has been deployed.
WINDOWS EVENT LOG ERROR
Log Name: Security
Event ID: 4771
Task Category: Kerberos Authentication Service
Keywords: Audit Failure
Kerberos pre-authentication failed.
Client Address: ::ffff:10.10.1.20
Client Port: 61483
Ticket Options: 0x40810010
Failure Code: 0x18
Pre-Authentication Type: 2
If the Altiris password has been changed after the sysprep image is created the original password is retained in the image sysprep.inf file.
Modify the image sysprep.inf file using Ghost Explorer - default location for Ghost Explorer is c:\program files\altiris \altiris agent\agents\deployment\task handler\ghost\ghostexp.exe
The image should be backed up beforehand as modifying image files can cause erratic results.
In Ghost Explorer click File > Open and navigate to the location of the sysprep.inf in the Sysprep folder.
Right click the file and select "Launch"
Modify then save the file.