Browser to corresponding JRE directory Import CA-Certificats into cacerts file
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Windows 10 / 11 startup locations
Folders Registry Keys Be sure to backup the registry keys first before deleting values! HKLM There are also RunOnce-Keys in the listed paths above. The programs in there will only run on next startup and not at every boot HKCU Like above there is also a key named RunOnce HKU
Continue readingTask Scheduler: An error has occured for task “taskname”. Error message: The following error was reported: A specified logon session does not exist. It may already have been terminated..
Run rsop.msc or secpol.msc as Administrator and check if the following policy is configured: Computer Configuration | Windows Settings | Security Settings | Local Policies | Security Options | Network access: Do not allow storage of passwords and credentials for network authentication
Continue readingManually Backup Bitlocker Recovery-Key to Active Directory
Identify the key you want to save in active directory (numerical password)
Continue readingCreate Packet-Capture with Windows netsh
Start Trace Stop Trace Convert *.etl-File to *.pcapng for wireshark analysis Download etl2pcapng from here: https://github.com/microsoft/etl2pcapng Convert the file with the following command Other useful filters You can list filter options using:
Continue readingUpdate Cisco Switch-Stack (2960x)
Check the filesystems There should be enough free space on the filesystems of all switches. You can remove old software images / software folders by using the following command: Download the *.tar-File via SCP Exampe or via TFTP Example: If there is not enough space to keep the old software
Continue readingAnalyze Interface Errors with cmd (typeperf) or powershell (get-counter)
List all objects List network adapters Debug / Log objects Examples
Continue readingEnable WMI-Tracing
Events will be written in the following Event-Log (press [win] + [r], write eventvwr and [Enter] to open Event Viewer): If the Event Log isn’t shown: In Event Viewer press [View] and click “Show Analytic and Debug Logs”. Check the Event Logs again.
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