Kaspersky Security Center 10 (version 10.1.249): patch B released


Kaspersky Security Center 10


Kaspersky Security Center 10 (version 10.1.249): patch B released

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Latest update: September 09, 2020 ID: 11072

Kaspersky Lab announces the release of patch B for Kaspersky Security Center (version 10.1.249b)

Patch B includes:

  • Patch for Administration Console (patch_10_1_249_console_b.zip) to be applied to a computer with installed standalone Administration Console and without Administration Server).
  • Patch for Network Agent (patch_10_1_249_nagent_b.zip) to be applied to a managed computer, which means a computer with installed standalone Network Agent and without Administration Server.
  • Patch for Administration Server (patch_10_1_249_server_b.zip) to be applied to the Administration Server computer. This component incorporates the patches for Administration Console and Network Agent.

Patch B is cumulative and includes the fixes of Patch A.

Fixed issues

  • A remote installation task that completed successfully and required a computer restart could cause a time-out error "Installation completed successfully" after two hours' waiting. 
  • An error that caused virtual server hardware to be displayed incorrectly.
  • False notification about the error "There are 3 lost bundles among WUS data".
  • Some Arabic locale errors.
  • An error that would occur after making changes to the Windows Update synchronization task settings when Kaspersky Security Center is selected as a Microsoft update source.
  • An error with a secondary server's connection to a primary server located in a demilitarized zone.
  • Small number of updates detected when Kaspersky Security Center is selected as a Microsoft update source.
  • An issue in the NAC component that involved incorrect refreshing of the list of rules in the driver.
  • An update installation task error when the administration group included Network Agents of versions prior to 9.0 Critical Fix 2.
  • The error that caused some of the remote installation tasks to be paused with the Scheduled status when more than one remote installation task were running simultaneously with the setting "Using Microsoft Windows resources by means of Update Agents" on computers for which Network Agent had not been installed yet, has been fixed.
  • The error that sometimes prevented the Kaspersky Endpoint Security for Android remote installation package from being created on slow or heavily loaded servers has been fixed. Remote installation of the package has returned the "Timeout" error.
  • Unrestricted growth of the C:\WINDOWS\Temp\kladminkit folder on a computer serving as an update agent.
  • The error that sometimes caused an attempt to approve a set of selected Microsoft Windows updates or updates of third-party software for installation on slow or heavily loaded servers with System Management licenses to take several minutes to finish or fail due to timeout.
  • The error that made it impossible to deliver certain events from managed computers published after free space on their drives was used up.
  • The error that caused a high load on the zero ring of computers with Network Agent during processing of multicast packets.
  • The update task error that ended in "Not all components have been updated" status.
  • The error that caused a restart of the Wizard after successful creation of a Virus Scan task in the Wizard.
  • The error of Windows updates on update agents that was returned when Kaspersky Security Center was used as the source of Microsoft updates.
  • The error that caused the message "Cannot insert the value NULL into column nPrerequisiteRevisionID" to appear in the Kaspersky Event Log after an update of the Administration Server version.
  • The anti-virus database statistics dashboard refresh error that was possible during high server loads.
  • The error that could cause the entry "'Invalid object name '#host_list'. 'LastStatement='tsk_delete_temp_host_list'" to appear in the Kaspersky Event Log during attempts to simultaneously create several parallel tasks for computer groups (using different Administration Consoles or automation scripts).
  • The error returned during attempts to create users on a virtual server.
  • The issue that could cause a restart of the Administration Server service during application database and module updates.
  • The error that could sometimes cause an Administration Server crash during the "Windows Update synchronization".


  • Optimized performance. 
  • The procedure of computer hard drive clone detection has been improved.


To install Patch B, use one of the following methods:
  • Run an executable file of the patch from any temporary folder.
  • To install the patch in the silent mode (for example, when distributing via Kaspersky Security Center), run the installer with the key –s.

How to make sure the patch has been installed

Using a report

To view the information about patches installed for Administration Server and Network Agent, generate a Kaspersky Lab software version report with the enabled field Updates installed. To do this, in the Detail fields section of the report's properties, add an Updates installed field. The information about the patch will be displayed in the Updates installed field.

Using file versions

  • Administration Console
    • In the Administration console installation folder, the versions of the files klakcon.dll; klcskca2.dll; klcsstd2.dll; klngtplg.dll; klsrvplg.dll will update to 10.1.289, the version of klcstr2.dll will must be 10.1.269.
    • No errors are logged into the Kaspersky Event Log.
  • Network Agent
    • In the Network Agent installation folder, the version of the files klcskca2.dll; klcsnagt.dll; klcssa.dll; klcsstd2.dll will update to 10.1.289, the version of klcstr2.dll; vapm.exe must be 10.1.269.
    • No errors are logged into the Kaspersky Event Log.
  • Administration Server 
    • In the installation folder of Administration Server, the version of the files klakcon.dll; klcskca2.dll; klcsnagt.dll; klcssrv.dll; kldb_mssql.dll; kldb_mysql.dll; klngtplg.dll; klsrvplg.dll; klcsstd2.dll; klcssa.dll will update to 10.1.289, the version of klcstr2.dll; vapm.exe; klbackup.exe must be 10.1.269.
    • No errors are logged into the Kaspersky Event Log.
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