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KEA core patches [Kaspersky Endpoint Agent]

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Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials.


You may encounter issues with KEA that may include:

  • Excessive resource consumption
  • Freezes, crashes
  • etc.


Install the latest available core patch.

Adding KEA CF to KEA installation package is not supported and will not work, patches need to be installed separately.

To install patch using KSC or locally use the following keys, /qn can be added for silent install as usual

How to install patch
msiexec /p private_critical_fix_99.msp  DISCLAIMER=1 EULA=1 PRIVACYPOLICY=1

When installing on servers it is advisable to use additional SERVERPROFILE=1 key for optimized performance (works for core patches starting from CF8 for KEA 3.12 and newer)

Additional recommended key for Server installations:
msiexec /p private_critical_fix_99.msp  DISCLAIMER=1 EULA=1 PRIVACYPOLICY=1 SERVERPROFILE=1

For password-protected installations additional key is needed:


For detailed info see article https://forum.kaspersky.com/topic/how-to-install-patches-on-password-protected-kea-kaspersky-endpoint-agent-38148/

Things to keep in mind:

  • All Core patches are cumulative; That means all previous fixes are included.
  • Newer KEA versions include fixes done in previous versions.
  • It's not always necessary to keep KEA at latest core, but it's worth starting your troubleshooting with installing the latest one.
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