This Wiki page lists the Exchange Server 2013 / 2016 and Cumulative Updates (CUs) build numbers with release dates and KB respectively.

Update on Exchange 2013 Cumulative Updates

More about Exchange 2013 Cumulative Updates (CUs) see MS Exchange Team Blog post Servicing Exchange 2013.

Exchange 2013 and 2016 Cumulative Updates include all Exchange binaries so you need to download only the last CU.

You don't need to install Exchange Server RTM first.

 
note Note
In this article, release dates are in Month/Day/Year format.
 

Exchange Server 2013

Product Name Build Number Date

[mm/dd/yyyy]

KB
 Microsoft Exchange Server 2013 RTM  15.0.516.32  12/03/2012  
 Exchange Server 2013 Cumulative Update 1 (CU1)  15.0.620.29  04/02/2013  KB2816900
 Exchange Server 2013 Cumulative Update 2 (CU2)  15.0.712.24  07/09/2013  KB2859928
 Exchange Server 2013 Cumulative Update 3 (CU3)  15.0.775.38  11/25/2013  KB2892464
 Exchange Server 2013 Service Pack 1 (SP1 aka CU4)  15.0.847.32  02/25/2014  KB2926248
 Exchange Server 2013 Cumulative Update 5 (CU5)  15.0.913.22  05/27/2014  KB2936880
 Exchange Server 2013 Cumulative Update 6 (CU6)  15.0.995.29  08/26/2014  KB2961810
 Exchange Server 2013 Cumulative Update 7 (CU7)  15.0.1044.25  12/09/2014  KB2986485
 Exchange Server 2013 Cumulative Update 8 (CU8)  15.0.1076.9  03/17/2015  KB3030080
 Exchange Server 2013 Cumulative Update 9 (CU9)  15.0.1104.5  06/16/2015  KB3049849
 Exchange Server 2013 Cumulative Update 10 (CU10)  15.0.1130.7  09/14/2015  KB3078678
 Exchange Server 2013 Cumulative Update 11 (CU11)  15.0.1156.6  12/10/2015  KB3099522
 Exchange Server 2013 Cumulative Update 12 (CU12)  15.0.1178.4  3/14/2016  KB3108023
 Exchange Server 2013 Cumulative Update 13 (CU13)  15.0.1210.3  6/20/2016  KB3135743

Exchange Server 2016

Product Name Build Number Date

[mm/dd/yyyy]

KB
 Exchange Server 2016 Preview  15.1.225.16  6/22/2015

 

 Exchange Server 2016 RTM   15.1.225.42  10/01/2015
 Exchange Server 2016 Cumulative Update 1  15.1.396.30  3/14/2016  KB3134844
 Exchange Server 2016 Cumulative Update 2  15.1.466.34  6/20/2016  KB3135742
  •  Build number can be checked using Get-ExchangeServer cmdlet

Get-ExchangeServer | Select Name, AdminDisplayVersion
  • Build number can be checked from ExSetup.exe file version information also
Get-Command Exsetup.exe | ForEach{$_.FileVersionInfo}

The below command will be give detailed information about name, domain, edition, fqdn, server roles installed, site & admin display name.

Get-ExchangeServer | fl name,domain,edition,fqdn,serverrole,site,admindisplayversion

To check ExSetup.exe file version information on all Exchange servers remotely, use below command.

Get-ExchangeServer | Sort-Object Name | ForEach{ Invoke-Command -ComputerName $_.Name -ScriptBlock { Get-Command ExSetup.exe | ForEach{$_.FileVersionInfo } } } | Format-Table -Auto

In Exchange 2013 you can also check build numbers in Exchange Admin Center (EAC).

In EAC click on "servers" category on the left side and then click on "servers" pane.


Earlier Versions

For update detail regarding earlier versions of Exchange Server (2003-2010), visit the Wiki page Exchange Server and Update Rollups Build Numbers

 


See Also