A primary "verified" feature for Symantec Endpoint Protection (SEP) is the License Management and Enforcement system built directly into the Symantec Endpoint Protection Manager (SEPM) console. This feature ensures your license key is legitimate and actively protects your environment by preventing the use of trial or expired versions that could leave systems vulnerable. Key License Verification Features
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The backups were already gone.
Without a verified license, your SEP Manager (SEPM) may stop downloading essential security content. Support Access: Valid entitlements are required to open cases with Broadcom Support Compliance: symantec endpoint protection license key verified
For standalone or unmanaged Windows clients that do not communicate with a central manager: The backups were already gone