For planning and validation purposes, Exchange 2013 preparation of the forest and domain results in the following:

• rangeUpper property of CN=ms-Exch-Schema-Version-Pt,cn=schema,cn=configuration,<Forest DN> is set to 15137;
• objectVersion property of cn=<ExOrg>,cn=Microsoft Exchange,cn=Services,cn=Configuration,<Forest DN> is set to 15449;
• objectVersion property in the Microsoft Exchange System Objects container of <Domain NC> is set to 13236.

The Exchange Schema Versions page has been updated with this information.