Because this publication does not allow updatable subscriptions, when IDENTITY columns are transferred to the Subscriber, ...

Because this publication does not allow updatable subscriptions, when IDENTITY columns are transferred to the Subscriber, the IDENTITY property will not be transferred. (For example, a column defined as INT IDENTITY at the Publisher will be defined as INT at the Subscriber.) 

If you want the IDENTITY property transferred to the subscription table, you must do the following: 

     » Create the subscription table manually using the IDENTITY property and the NOT FOR REPLICATION option. You can have SQL Server execute a custom script to perform this action before the snapshot is applied. To specify a custom script, create the publication, create the script, and enter the script name on the Snapshot tab of the publication properties. 

     » Set the name conflicts article property so that SQL Server does not drop an existing table when applying the snapshot at the Subscriber. This property is on the Snapshot tab of article properties. 

The following published tables contain IDENTITY columns: