When attempting to assign a Host Integrity Compliance Policy or device posture policy to a Device Group in the Symantec Endpoint Security (SES) console, a one-time PIN (OTP) is required. This PIN is sent to the registered email address of the user performing the assignment. In some environments, specifically within SaaS hosting locations, this email may not be delivered.
Symantec Endpoint Security
The registered user's email address has exceeded the Symantec Endpoint Security bounce count threshold, causing the system to stop sending automated emails to that address.
Contact Broadcom support to request a reset of the "bounce count" for the users Symantec Endpoint Security registered email address.