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Known Problem

Known problem: Several Kaspersky Endpoint Security entries in context menu [Kaspersky Endpoint Security for Windows]]

Problem During KES installation on a host, an entry is added to Windows context menu. When KES version is upgraded, the old context menu entry may remain, and a new entry is added to it.  As a result, it might look like this:   Diagnostics To check the information about the entries, start PowerShell as administrator, then run: Get-AppxPackage -AllUsers > c:\<folder_path>.file_name.txt Output file Name                   : Kaspersky.ShellEx23
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Known Problem

Known problem: Google Antigravity sign-in fails with KESWin turned on [Kaspersky Endpoint Security for Windows]

Description Google Antigravity might be unable to sign in with Google account when KES for Windows Web Threat Protection and Encrypted connections scan are functioning on the host. No specific error, just nothing happens after pressing Open Antigravity. Additionally, if sign in was successful, projects might be not loaded properly: Reason antigravity.exe doesn't accept KES certificate, and sign-in fails. When opening projects, connection from localhost to loc
Egor Erastov

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How-to

How to collect ETW logs for drivers [Kaspersky Endpoint Security for Windows]

KES 11.5+ Just enable KES tracing and driver trace will also be running. It will be stored in C:\ProgramData\Kaspersky Lab\KES\Traces and have name like KES.%version%_MM.DD_HH.mm_PID.drivers.etl Batch scripts to run driver logs altogether ETW_drivers.zip On demand Download attached archive and extract it into desired folder. Run elevated CMD(as administrator. Otherwise you'll get an access denied error). CD to the folder where the script file d
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Known Problem

KESL rejects connection from kesl-control, gui or nagent due to non-root write permissions [KES for Linux]

Problem There are several problems with similar causes: 1) KESL postinstall script produces error. Warning: Failed to set up KSN 2) KESL is installed and running. However, the kesl-control command outputs something like that: kesl-control --app-info Connection refused. Invalid user permissions for /var. Only root user should have write access to this path. kesl-control --app-info Could not connect to Kaspersky Endpoint Security 11.2.2 for Linux
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How-to

How to collect BSS logs [KES for Windows]

This article is about Kaspersky Endpoint Security for Windows (KES for Windows)   These logs are needed only in specific cases, to save time and effort do not collect these logs unless explicitly requested. Behaviour Stream Signatures or BSS is a major part of System Watcher. Sometimes its logs are required to diagnose the issue. Step-by-step guide BSS log collecting is started via bases, so when you activate logging via the avp.com command, it will re
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Known Problem

KES malware scan task detects viruses in Thunderbird or TheBat! mail base file [KES for Windows]

Description Starting from KES Windows version 12.6, it can parse third-party mail base files, but still can't re-assemble them. Malware scan tasks runs in folders where mail base files for Thunderbird or TheBat! are located and finds threats in old mail items.   Diagnostics After choosing Resolve or setting "Disinfect, delete if disinfection fails" in the KSC task, nothing changes, and another malware scan task anyway finds the same threats.  Workaround and solution Sinc
svc_kms

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Known Problem

Thunderbolt bridge connection does not work when Network Threat Protection is enabled [KES for Mac]

Scenario Enable Network Threat Protection Connect another Mac via a thunderbolt cable Try to send any data from one computer to another Connection times out Workaround & Solution Connect computers by other means or disable NTP when using Thunderbolt bridge. RCA This issue is caused by a bug in macOS' built-in packet filter and was reported to apple.
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Known Problem

KES for Windows on KES Cloud installation fails [KES for Windows]

Problem Description, Symptoms & Impact Local installation from a standalone package fails Diagnostics Check installation logs of the product. We are looking for the following string: 09.02.2022 17:06:19.453 00000374.000028B4 L1  KLSTD: #1, Error was caught in KLERR_throwError, c:\a\b\a_6vlf7p9h\s\csadminkit\development2\klri\pkginst\klpkinst.cpp@1061. Error params: (1187/0x0 ("Bad parameter "VerifyCertDate""), "KLSTD", c:\a\b\a_6vlf7p9h\s\csadminkit\development2\klri\pkgi
svc_kms

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Known Problem

KES installation error 0x80004005 [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)   Problem When KES installation fails with error message "Failed to access local group policy. Error 0x80004005", installation log should be checked. If it contains something similar, follow the steps below. MSI (s) (F4:94) [11:27:28:103]: Invoking remote custom action. DLL: C:\WINDOWS\Installer\MS
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How-to

How to enable KESMac Nagent traces easily [KES for Mac]

Description and cautions The original scenario located on the page https://support.kaspersky.com/kes11mac/diagnostics/15299, requires a lot of efforts and manual manipulations. I am offering a bit easier and time-saving approach doing the same. Details All the commands from the original document are saved here, but placed together and being run one after another consequently; the old product logs are also wiped up in order to avoid mess: Login under root:
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Known Problem

OS hangs caused by excessive use of file descriptors [KES for Linux]

Symptoms OS hang, sometimes with open file errors in journals Customer application degrades with errors "unable to open file", "too many open files" Hangs and third-party (compatibility) issues often require advanced data collection and are sophisticated to investigate. However, a quick check is possible: On a system where KESL has worked for some time (not immediately after reboot/restart), validate the output of the following command, ran as root, for numerous r
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How-to

How to supervise iOS device with Apple Configurator [KES for Mobile]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. You need a Mac device with macOS 14+ to supervise iOS device log via Apple Configurator Your iOS device will be reset to factory settings during supervising Download Apple configurator via App Store. Run Apple Configurator. Connect your iOS device. Unlock the device and tap Trust. Select your device and click on the Prepare button
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Known Problem

Trusted Applications [KES for Mac]

The KESMac 12 and the KESMac 11.3 patch C allows adding particular processes into the trusted section named Trusted Applications. The both filesystem and network activity of which can be ignored by the product increasing performance. Please, however, note that this could be potentially risky.  https://support.kaspersky.com/KESMac/11.3_adminguide/en-US/194142.htm Problem This article will describe a few ways to configure KES for Mac to exclude some of the software from th
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Known Problem

KES Processing Error on Google Drive shares [KES for Windows]

Advice and Solutions (Forum Knowledgebase) Disclaimer. Read before using materials. Problem Description, Symptoms & Impact KES File Threat Protection sometimes can't check Microsoft office documents from mounted Google Drive shares, therefore generating Processing error events. This issue is caused by an incompatibility between Google Drive VFS driver and KES. There are no plans on making KES compatible with Google Drive. Workaround & Solution As a workaround, add fil
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How-to

How to collect IOS device log via Apple Configurator [Kaspersky Security for Mobile]

Step-by-step guide You need a Mac device to collect iOS device log via Apple Configurator. Download Apple configurator via App Store. Run Apple Configurator. Connect your iOS device. Unlock the device and tap Trust. Open the iOS device → Console. Reproduce the issue. Save the log in Apple configurator. Try to save the log as soon as possible after you reproduce the issue, because the log is constantly being overwritten.
svc_kms

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Known Problem

KES for Windows 12: printing order is much slower when Device Control component is running [KES for Windows]

Problem Description, Symptoms & Impact In KES 12.0, the way Device Control component works has been changed. See changelog: https://support.kaspersky.com/help/KESWin/12.0/en-US/127969.htm Due to these changes, you may notice that printing order becomes slow after you have upgraded KES to version 12.0 or higher. This delay may be around 30-60s or even 10-15 minutes. When you disable KES, it becomes instant. In some exceptional cases, the delay may be so big that it's impossible to p
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How-to

How to find where the encryption/decryption keys are stored for FLE [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)   The complete encryption procedure is as follows: 1. During authentication, a private key is generated based on the username and password 2. The private key is used to decrypt the user’s storage and extract the primary key 3. The primary key is checked against the identifier specified in the file hea
svc_kms

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Known Problem

VMWare guest BSODs with a driver related stop code after installing or updating KES [KES for Windows]

Description VMWare guest using Kaspersky products hanging or crashing due to driver conflicts between drivers used by VMWare NSX (vnetWFP.sys, previously vnetflt.sys) and Network Threat Protection component. This problem is known to happen with following versions of KES and VMware Tools: KES 11.6 with VMWare Tools 10.0.9 KES 11.6 and 11.7 with VMWare Tools 11.3.5 KES 12 with VMWare Tools 10.1.7 Troubleshooting steps Update VMWare Tools Somet
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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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How-to

How to generate an installation package [KES for Mac]

Intro This instruction describes how to create an installation package (.pkg) for the MacOS operating system from the standalone installation package of Kaspersky Endpoint Security for Mac. You may need to create such a package to automate the installation of Kaspersky Endpoint Security software via third-party systems (e.g. AirWatch). Details Files Munki tool (with predefined files) Prerequisites Kaspersky Security Center MacOS machine Python 
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How-to

How to let KS4Android update from the KUU [Kaspersky Security for Mobile]

Problem KSC and KS4Android are implemented but KSC is offline and could not access Internet. KUU can be used for updating KS for Android and distribute the update databases. But after running KUU (Kaspersky Update Utility), you cannot find actual KES for Android versions.  Solution AV bases for new KESM versions will appear in KUU UI after running KUU with empty application list.  The KUU settings should look like the following (in order to update the list of supported applic
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How-to

How to add domain\site name in exclusions of KSWS Traffic Security component [Kaspersky Security for Windows Server]

Sometimes you may need to add a particular site\domain to an exclusions list of Traffic Security. Unfortunately, at current moment KSWS console allows us to make exclusions ONLY for Ports, IP-addresses, and Processes:     But we have ability to make site and domain exclusions for Traffic Security via registry workaround. To implement workaround, we need to create and fill following REG_MULTI_SZ key: [HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\KasperskyLab\WSEE\11.0\Env
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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

The operation with application resources is blocked by Self-Defense [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 informational message does not mean that Self-Defense accuses any process of being under malware attack, it proactively blocks certain operations that could pose a potential threat to processes. The number of events depends on the activity of applications that inhabit the system, especially from their periodic acti
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