Backup of data protection master key was attempted
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Microsoft documentation indicates this is a routine event that can be filtered out of events to review. At this time I classify this as a "noise" event.
I haven't been able to produce this event. Have you? If so, please start a discussion (see above) and post a sample along with any comments you may have! Don't forget to sanitize any private information.
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Backup of data protection master key was attempted.
Security ID: %1
Account Name: %2
Account Domain: %3
Logon ID: %4
Key Identifier: %5
Recovery Server: %6
Recovery Key ID: %7
Status Code: %8
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