Active Roles will check the Microsoft Exchange schema which is present in Active Directory and use this to determine which version of Microsoft Exchange it should be working with. It can be useful when troubleshooting to confirm the Microsoft Exchange schema version which is present.
The version of Microsoft Exchange which Active Roles connects to can be controlled by changing the PreferredVersionForEstablishEmailTasks configuration entry as per this resource.
Run the following PowerShell cmdlet on a Windows host with the Active Directory Modules already installed:
$schemaPath = (Get-ADRootDSE).schemaNamingContext
A number will be returned. This is the "rangeUpper" value from the following chart:
Exchange Version | "rangeUpper" Value |
2000 RTM | 4397 |
2000 SP3 | 4406 |
2003 RTM | 6870 |
2003 SP2 | 6870 |
2007 RTM | 10637 |
2007 SP1 | 11116 |
2007 SP2 | 14622 |
2007 SP3 | 14625 |
2010 RTM | 14622 |
2010 SP1 | 14726 |
2010 SP2 | 14732 |
2010 SP3 | 14734 |
2013 RTM | 15137 |
2013 CU1 | 15254 |
2013 CU2 | 15281 |
2013 CU3 | 15283 |
2013 SP1 | 15292 |
2013 CU5 | 15300 |
2013 CU6 | 15303 |
2013 CU7-CU9 | 15312 |
2013 CU10-CU19 | 15312 |
2016 Preview | 15317 |
2016 RTM | 15317 |
2016 CU1 | 15323 |
2016 CU2 | 15325 |
2016 CU3 | 15326 |
2016 CU4-CU5 | 15326 |
2016 CU6 | 15330 |
2016 CU7-CU9 | 15332 |
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