Altiris is a mass-deployment solution in which Jobs can be performed that contain individual Tasks. A Job can be deployed and in turn, tasks can be completed.
This issue was known to exist as a result of using the Single Sign-On (SSO) feature of PGP Whole Disk Encryption (PGP WDE) using 10.2.0. If the PGP WDE SSO is not being used, this issue should not manifest.
This is a known issue that has been resolved in 10.2 MP5 and above with a special installation switch.