DPAPI Configure DPAPI settings DPAPI Set the DPAPI backup keys rotation period This policy setting specifies the DPAPI backup keys rotation period. You can use this setting to override the default value of 90 days. Set 0 to disable the DPAPI backup keys rotation. If you enable this policy setting, set the number of days that the system waits before generating a new DPAPI backup key. If you disable or do not configure this policy setting, the default value of 90 days is used. Specify the DPAPI backup keys rotation period in days. Set 0 to disable the DPAPI backup keys rotation.