WSUS | Client error 0x80070643

Maybe a problem with Microsoft Defender signature update. Goto WSUS console and check the what patches were approved last week. If you’re lucky, the corpus delicti shows an error. Otherwise check the patch statistics of a client machine, check machines report in WSUS. Revoke the problematic one. It it doesn’t help, try this: %PROGRAMFILES%\Windows Defender\MPCMDRUN.exe” […]

WSUS | ERROR 8024401f

Seems your WSUS has a problem. Maybe the database or the IIS did crash. Check your servers firewall. Restart your Server. If it doesnt help, try this: Check the log: C:\Windows\WID\Log\error.log Try this: “C:\Program Files\Update Services\Tools\wsusutil.exe” postinstall /servicing Or this: Activate and install „HTTP Activation“ @ „WCF Services“ on „.NET Framework 4.5 Features“.


Select the Application Pool Name and then click ‘Advanced Settings’.Do some changes: Private Memory Limit (KB): 1843200 to 4194304 Queue Length: 1000 to 25000 Limit Interval (minutes): 5 to 15 ‘Service Unavailable’ Response: HttpLevel to TcpLevel Then stop the IIS (IIS-Manager or ‘net stop w3srv’), edit the web.config ( C:\Program Files\Update Services\WebServices\ClientWebService\web.config ) for WSUS:Replace […]

WSUS on SERVER 2019 | Reporting | ReportViewer.msi

For Windows Server 2019, the Microsoft Report Viewer 2012 Redistributable is required. The SQL Server System CLR Types for SQL Server 2012 are required for the installation, these are part of the Microsoft SQL Server 2012 Feature Pack. There is no need to download and install the complete package. The MSI SQLSysClrTypes.msi is sufficient (for […]

Microsoft Windows Terminal Server | Hints

Installation Create VM snapshots before you start! Start with the future gateway machine. Then add RDSH’s from this gateway, install the feature remotely on the RSDH’s. The remote machine will restart and sometimes it will not resume. Start the install process remotely from the gateway again. Server Manager What you see is the environment for […]