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Known Problem

File Threat Protection does not start due to driver interceptor error [KES for Linux]

Problem kesl-control --app-info outputs the following error: en File Threat Protection:                     Unavailable due to file interceptor driver error One of the most common root causes is Fanotify is disabled (or KESL could not access it) and kernel module compilation also failed. A special utility can  be used for this directly on the affected mac
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Known Problem

FDE implementation best practices [KES for Windows]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. This article is about Kaspersky Endpoint Security for Windows (KES for Windows) This is a rough guide for testing FDE prior to implementation in production.   Make sure that the encrypted hosts will be serviced by a healthy KSC infrastructure (backups are performed regularly, no errors in Kaspersky Event log that need to be addressed, healthy database with plenty room for growth, no clo
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Known Problem

Errors with removing KSWS and running GSI because of the Application Control [Kaspersky Security for Windows Server]

Problem KSWS10 and KSWS11 may have two issues because of the Application Control component: Can't uninstall KSWS with the error "There is a problem with this Windows Installer package. A DLL required for this install to complete could not be run" Can't run GSI with this error "Unable to unpack the critical file. GsiSharp.bin" Solution Disable Application Control and retry uninstallation. Сollect GSI, if necessary. 
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Known Problem

Error: Please go to the Control Panel to install and configure system components [Kaspersky Security for Windows Server]

Product version/Environment KSWS 10.1/11.X Windows Server Requirements for the server on which Kaspersky Security for Windows Server is deployed Description of Error Run installation of the application or the console with the setup file. Error "Please go to the Control Panel to install and configure system components" pops up and installation doesn't run. Solution Unpack the installation file and run the .msi file inside instead of the setup:
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Known Problem

Error 27310. Failed to install the directory file for the digital signature [KES for Windows]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. This article is about Kaspersky Endpoint Security for Windows (KES for Windows) Version: any KES11.* on any OS Scenario: The following error appears during the installation: Error 27310. Failed to install the directory file for the digital signature  Solution: 1. Run kavremover utility as administrator. 2. Delete KES drivers (if they were not deleted by kavremover) located
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Known Problem

Error 27211. Failed to enable Self-Defense [KES for Windows]

Problem Description While installing KES for Windows via KSC installation package the following error appears and interferes with installation. Possible causes: KES components installed already before installation. Required driver files were not found. Workaround & Solution Use kavremover and reinstall KES with the latest patch. In case kavremover will not help, please collect procmon and KES installation logs, actual GSI with e
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Known Problem

Encrypted machine is unable to boot into Windows after FDE [KES for Windows]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. Version: KES 11.* Scenario: You're unable to boot into encrypted machine after FDE applied due to some problems with preboot agent or operating system.  The the safest and one of the most trivial options to restore the data from encrypted hdd or decrypt it 'in place' is going through KES related ‘challenge-response’ procedure using another (i.e. proxy) machine with KES and FDE installed.
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Known Problem

Device Control errors [KES for Windows]

Issue Sometimes Device Control errors in KES may occur. For example, hard drives are wrongly blocked when USB device blocking is enabled, or flash drive blocking is not happening although the policies require to do so. In some cases, the reason for erroneous blocking is that the operating system (OS) is incorrectly identifying the device type. Solution As an example, if the policies prohibit access to flash drives, but this rule does not always work, you can check the followi
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Known Problem

Data collection for troubleshooting the KES Bitlocker management error "The policy can not be applied" [KES for Windows]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. This article is about Kaspersky Endpoint Security for Windows (KES for Windows) In cases when Bitlocker encryption of a certain volume is started using KES Bitlocker management, and the product returns the following error: Event type: The policy can not be applied. Action: Encryption Reason: The system drive is not compatible with the Microsoft BitLocker encryption. Type of encryption: dis
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Known Problem

BitLocker management [KES for Windows]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. What is the role of Kaspersky in BitLocker encryption process ? Basically, KES BitLocker management is a COM object that is registered in the system and changes the BitLocker component settings in accordance to the settings that are specified in the KES policy. Afterwards it stores the recovery data received from BitLocker component on the KSC side. Also, it provides error-reporting and verifies that th
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Known Problem

Application startup control rules based on the file's metadata [KES for Windows]

Problem Application category based on the "Metadata" conditions created, but does not work. Solution This is expected behavior, in case the file does not have a digital signature, that can be trusted by local KES on the host in question, or is not known in KSN. Use sigcheck tool to see if the file has a valid digital signature – https://technet.microsoft.com/ru-ru/sysinternals/bb897441.aspx  Use other criteria, to determine the category (for example file hash).
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Known Problem

Anti-Cryptor doesn't start on OS boot [KES for Linux]

Problem Sometimes Anti-Cryptor task in KESL won't be able to launch after the OS is started. This may happen because Anti-Cryptor needs all the protected network resources to be up before KESL service is started. In other words, Samba or NFS services should be started before KESL service.  Solution To resolve this problem you need to make sure that services start in the correct order. For Systemd systems: 1. Create a file /etc/systemd/system/kesl.service.d/override.conf
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Service Page

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

The materials provided on the Advice and Solutions (Community Knowledgebase) part of the Forum result from the work of the Kaspersky Customer Support team and Forum community members. They are shared here for ease of use of Kaspersky products, deploying and configuring them. Please remember that using commands or recommendations from the articles without a clear understanding of their purpose may result in errors or system inoperability. Please note that some materials presented are not off
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Known Problem

About Disk I/O usage optimization option [Kaspersky Security for Windows Server]

In KSWS/KESS/KICS there is an option in update task to Lower the load on the disk I/O. It is important to understand that when this option is enabled the task does not use HDD resources at all. Updater will not only place current updates to RAM. Update temp and cache files will also be placed there. Incorrect expectation: The task uses dedicated amount of RAM, in case if dedicated RAM is not enough for all update files including temp and cache task will continues through HDD. Actu
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Known Problem

About Disk I/O usage optimization option [Kaspersky Security for Windows Server]

In KSWS/KESS/KICS there is an option in update task to Lower the load on the disk I/O. It is important to understand that when this option is enabled the task does not use HDD resources at all. Updater will not only place current updates to RAM. Update temp and cache files will also be placed there. Incorrect expectation: The task uses dedicated amount of RAM, in case if dedicated RAM is not enough for all update files including temp and cache task will continues through HDD. Actu
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Known Problem

"Some protection components are not running" or "Allow encrypted traffic to be inspected" [KES for Mac]

Problem In some cases KESMac is not able to start protection components: Or, the status "Allow encrypted traffic to be inspected" is not changing: Solution 1) Please get acquainted with the article https://support.kaspersky.com/kis20mac/error/15031#block1; 2) If the article above did not help, try to remove the FireFox user's profiles directory via Terminal: rm -rf ~/Library/Application
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