The user has many Computers running MacOS and they are connecting to the Symantec Management Platform (SMP or NS) server via the Internet GW (Gateway). They are preparing to change the Internet Gateway certificate and have been using the following document:
How to Update or Replace the Cloud-Enabled Management (CEM) Internet Gateway certificate
The Windows computers are successfully receiving the new thumbprint in the registry but the Mac computers are not receiving the thumbprint. Also, it was found that none of the Mac computers were in the Cloud-enabled Management Settings (CEM) policy.
ITMS 8.x
This was fixed in the following pointfix for ITMS 8.6 RU3:
ULM_8_6_POST_RU3_v2_05June.zip from CUMULATIVE POST ITMS 8.6 RU3 POINT FIXES.