You have clients with Symantec Endpoint Protection 12.0 Small Business Edition. If you try to upgrade to version 12.1, clients upgrade to 12.0.1 Release Update 1 first (DC Ru1), forcing them to upgrade again to get to 12.1.
To upgrade to 12.1 in a single step, in the Group properties, check Disable automatic client updates before running LiveUpdate. After LiveUpdate runs, you can uncheck the setting.
Imported Document ID: TECH162047
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