It's quite interesting that 14.10 even runs on Solaris 10 ...
Minimum supported environment for any 14.10 starting with FC1 is Solaris 11.3.Specifically -
# pkg info entire
Name: entire Summary: entire incorporation including Support Repository Update (Oracle Solaris 22.214.171.124.0). Description: This package constrains system package versions to the same build. WARNING: Proper system update and correct package selection depend on the presence of this incorporation. Removing this package will result in an unsupported system. For more information see: https://support.oracle.com/rs?type=doc&id=2045311.1 Category: Meta Packages/Incorporations State: Installed Publisher: solaris Version: 0.5.11 (Oracle Solaris 126.96.36.199.0) Build Release: 5.11 Branch: 0.175.3.34.0.4.0 Packaging Date: Thu Jun 28 21:32:23 2018 Size: 5.46 kB FMRI: pkg://firstname.lastname@example.org,5.11-0.175.3.34.0.4.0:20180628T213223Z
Solaris 10 is not a supported environment for 14.10