Troubleshooting – program name display exception after upgrading exchange 2013 cu22


Recently, in the process of updating the exchange 2013 cu22 patch on demand to solve the privilege escalation vulnerability of Microsoft Exchange Server adv190007 guidance for “privexchange”, it was found that although the exchange Cu patch was updated normally, we found in the control panel that the name of exchange 2013 version is still displayed as Microsoft Exchange Server 2013 cu20, and the content of this chapter is small bug The lines are summarized as follows:

Problem Description:

After upgrading exchange 2013 cu22, the exchange version of program and function interface is still the original version information exchange 2013 cu20;


Environmental information:

Windows Server 2012 R2 + Exchange Server 2013 CU20/CU22 ;

Cause analysis:

Exchange server setup did not update the version string in the registry correctly during the upgrade process;


1. It is recommended to back up the registry information of the current environment first. The specific operation methods are as follows:



2. Press Win + R to open the “run” window, enter regedit in the “open” box, and then click “OK”, and navigate to the following sub items:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Microsoft Exchange v15]
Modify the “displayName” key value to the actual version information: “Microsoft Exchange Server 2013 cumulative update 22”


3. Click OK to complete this operation. At this time, we can see that the exchange version name of the program and function interface is normal.



A. official download link of exchange server 2013 cu22

B. official Kb: “cumulative update 20” appears in programs and features after you install exchange server 2013 cumulative update 22

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