TECHNICAL KNOWLEDGE BASE
Documentation
Reusable, explained and field-tested technical guides.
Finding bad password attempts in Active Directory
A practical PowerShell query using badPwdCount and badPasswordTime to investigate account lockouts.
Open guide →Reading a Windows LAPS password with PowerShell
How to query the local administrator password with the correct identity in new and legacy LAPS.
Open guide →Reading printer toner levels with SNMP
Reading maximum capacity and current supply values through Printer-MIB and converting them to percentages.
Open guide →Repairing a domain trust relationship
Testing and repairing the secure channel without immediately removing the computer from the domain.
Open guide →Checking Active Directory password expiration
Querying password change and expiration dates with default and fine-grained password policies.
Open guide →Outlook shared-calendar edit permissions
Fixing shared-calendar permissions that work on the web but not in desktop Outlook.
Open guide →Replacing WMIC with PowerShell on Windows 11
Retrieving BIOS, serial, model, operating-system and disk information with CIM cmdlets.
Open guide →USB drive not detected in Windows: safe diagnosis
Separating hardware, disk, partition and drive-letter issues without destructive commands.
Open guide →Diagnosing an enterprise internet outage
Separating client, DHCP, VLAN, DNS, firewall and ISP failures with timestamped tests.
Open guide →