If a Solaris OS update installation fails, a copy of the admin file used for the installation is not removed from the provisionable server. If the failure was due to a corrupt or invalid admin file, subsequent OS update installations will not replace the faulty admin file and it may cause continued failures.
Workaround: Delete the package-filename.admin file in the provisionable server's /tmp directory and retry the OS update installation. If you specified a customized admin file for the OS update, ensure that the admin file is valid.