Exchange Schema Versies

Every Exchange version comes with its own Active Directory Schema updates, even Cumulative Updates come with Schema updates these days. To determin the version of the Schema when it comes to Exchange you can verify the rangeUpper property of the ms-Exch-Schema-Version-Pt object in the Schema Partition as shown in the following figure (for Exchange 2013 CU8).

image

You can also use the following PowerShell commands to retrieve the Schema version:

$root = [ADSI]"LDAP://RootDSE"
$m = [ADSI]("LDAP://" + "CN=ms-Exch-Schema-Version-Pt," + $root.schemaNamingContext)
$m.rangeUpper

image

The following table lists all (or most) Schema versions of Exchange Server:

Exchange version Schema version
Exchange 2007 RTM 10637
Exchange 2007 SP1 1116
Exchange 2007 SP2 14622
Exchange 2007 SP3 14625
Exchange 2010 RTM 14622
Exchange 2010 SP1 14726
Exchange 2010 SP2 14732
Exchange 2010 SP3 14734
Exchange 2013 RTM 15137
Exchange 2013 CU1 15254
Exchange 2013 CU2 15281
Exchange 2013 CU3 15283
Exchange 2013 SP1 15292
Exchange 2013 CU5 15300
Exchange 2013 CU6 15303
Exchange 2013 CU7 15312
Exchange 2013 CU8 15312
Exchange 2013 CU9 15312

Page last modified: June 17, 2015

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