Missing MSI file issue

Navneet Agarwal 1 Reputation point

Hi MS Team, many times I get below error during applying latest security patches to SLQ Server irrespective of SQL version even during uninstalling SQL instance also. . But can never find "\sql_engine_core_inst_msi\" even error is found in developer edition. Kindly guide how to resolve this issue. TITLE: SQL Server Setup failure. ------------------------------ SQL Server Setup has encountered the following error: The cached MSI file 'C:\Windows\Installer\6a685.msi' is missing. Its original file is 'sql_engine_core_inst.msi' and it was installed for product 'SQL Server 2016 Database Engine Services' from 'I:\x64\setup\sql_engine_core_inst_msi\', version '13.2.5026.0', language 'ENU'. To resolve this problem, recover the missing file from the installation media and start setup again. For more information about how to resolve this problem, see 'Steps to restore the missing Windows Installer cache files' (http://go.microsoft.com/fwlink/?LinkId=144387) in the Microsoft Knowledge Base. Error code 0x84B20002. For help, click: http://go.microsoft.com/fwlink?LinkID=20476&ProdName=Microsoft%20SQL%20Server&EvtSrc=setup.rll&EvtID=50000&EvtType=0xD66F84B3%25400xF762992B%25401202%25402 ------------------------------ BUTTONS: OK ------------------------------

SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
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  1. Erland Sommarskog 106.8K Reputation points

    Have you tried running Repair from the Setup media?

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  2. CarrinWu-MSFT 6,866 Reputation points

    Hi @Navneet Agarwal ,

    From the error message, the first link is already give the solution that can resolve missing MSI files. Have you try it? First, you can use the FixMissingMSI tool to identify MSI file that are missing from the Windows Installer cache. Please download it from here. Next, you can scan the folders which you need to repair. For the details, please refer to FixMissingMSI Readme, see below illustration:

    Best regards,

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