You have changed one or more properties that require all subscriptions to be reinitialized. Saving these changes marks each ...

You have changed one or more properties that require all subscriptions to be reinitialized. Saving these changes marks each subscription to be reinitialized from a snapshot the next time its Distribution Agent runs. You must run the Snapshot Agent to generate the snapshot.  Click Cancel to discard changes. Subscriptions will not be reinitialized.