Exchange 2013 Forest and Domain Versions

Updated on 22 June 2015 To see what Exchange 2013 forest and domain versions are installed, open an elevated PowerShell console from either a domain controller or an Exchange server and run the following commands… $RootDSE=([ADSI]””).distinguishedName For Schema (Forest): rangeUpper, run… ([ADSI]”LDAP://CN=ms-Exch-Schema-Version-Pt,CN=Schema,CN=Configuration,$RootDSE”).rangeUpper For Schema (Forest): objectVersion, run… ([ADSI]”LDAP://CN=First Organization,CN=Microsoft Exchange,CN=Services,CN=Configuration,$RootDSE”).objectVersion NOTE: In the command above, the value “CN=First…

Check Current Active Directory or Exchange Server Schema Version

Need to determine what AD and Exchange Server schema versions are installed?  Run the following three commands from an elevated Command Prompt. NOTE: The text in red will vary for every Exchange organization and Active Directory environment. For Exchange Server schema version… dsquery * “cn=ms-exch-schema-version-pt,cn=schema,cn=configuration,dc=domainname,dc=local” -scope base -attr rangeUpper For AD forest version… dsquery * “cn=first…