Do I need a grace period?

If you have a single Analytics JavaScript file and are not using any other AppMeasurement libraries, then you do not need a grace period. You can make the update in the single JavaScript file and new visitors will be consistently identified using the marketing cloud ID during the visit.

If you have multiple JavaScript files that are sending data to the same report suite, or if you are using other technologies on your site such as Flash video measurement, we recommend configuring a grace period.

How can I enable a grace period?

Contact Customer Care.

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