The Safeguard Authentication Services installation will fail on the later versions of Solaris/Oracle (11.4 and above), if they do not have the legacy software package commands available.
Example of error during installation:
echo 'y' | pkgadd -a '/tmp/vas-admin' -G -d '/root/SAS_5_0_1_25963/client/solaris10-sparc/vasclnt_SunOS_5.10_sparc-5.0.1.25963.pkg' all
/root/SAS_5_0_1_25963/client/install-sh-data/install-product.sh[1465]: eval[1]: pkgadd: not found [No such file or directory]
/root/SAS_5_0_1_25963/client/install-sh-data/install-product.sh: line 762: pkginfo: not found
/root/SAS_5_0_1_25963/client/install-sh-data/install-product.sh[900]: pkginfo: not found [No such file or directory]
/root/SAS_5_0_1_25963/client/install-sh-data/install-product.sh[900]: pkginfo: not found [No such file or directory]
ERROR: Failed to install vasclnt (5.0.1.25963).
ERROR: Failed to execute command: 'vasclnt'