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
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
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
Problem
While WTP/NTP is enabled, nft utility produces errors (stderr) like
# nft list ruleset
XT target TPROXY not found
XT target TPROXY not found
XT target TPROXY not found
XT target TPROXY not found
These errors are caused by a bug in nft ut
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.
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
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
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
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
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:
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
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
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.
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
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
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
