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Mikhail-4909 avatar image
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Mikhail-4909 asked KaelYao-MSFT commented

Security Update For Exchange Server 2013 CU23 (KB5000871) won't be installed.

. Security Update For Exchange Server 2013 CU23 (KB5000871) won't be installed.

Application event logs shows:

Product: Microsoft Exchange Server - Update 'Security Update for Exchange Server 2013 Cumulative Update 23 (KB5000871) 15.0.1497.12' could not be installed. Error code 1603. Windows Installer can create logs to help troubleshoot issues with installing software packages. Use the following link for instructions on turning on logging support:


CU23 was installed successfully

office-exchange-server-administration
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1 Answer

KaelYao-MSFT avatar image
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KaelYao-MSFT answered KaelYao-MSFT commented

Hi, @Mikhail-4909

Did you install the KB5000871 via cmd?
If not, please open cmd and Run as administrator to install the security update as mentioned in this document:
Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: March 2, 2021 (KB5000871)
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If the problem persists, please follow the link below to turn on the logging support and see if the detailed message will be logged in the log file.
Enable Windows Installer logging


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Yes, I did. it did not help.

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The information about Exchange setup fails with error code 1603 is updated in this document: Repair failed installations of Exchange Cumulative and Security updates

Resolution:
1.Make sure that the setup is run by using a local administrator account.
2.Check whether the following permissions are assigned to the folder specified in the error:
a.Read permission to Authenticated users
b.Full Control permission to System
c.Full Control to <local_machine>\administrators>
3.Make sure that inheritance is enabled on the folder. If it isn't, then enable inheritance.

After updating folder permissions, resume setup.


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That's parameters - ok.

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If the problem persists, please refer to this article for further troubleshooting:
Error 1603 when you try to install a Windows Installer package: A fatal error occurred during installation


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Server was deleted from DAG.

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Thanks for your update.

Sorry to hear that the suggestions didn't work for you.

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