Assume that you have tables with Identity columns declared as datatype INT and you are using Auto Identity management for those articles in a Merge Publication.
This Publication has one or more subscribers and you tried to re-initialize one subscriber using a new Snapshot.
Merge agent fails with this error:
Source: Merge Replication Provider
Message: The Publisher failed to allocate a new set of identity ranges for the subscription. This can occur when a Publisher or a republishing Subscriber has run out of identity ranges to allocate to its own Subscribers or when an identity column