Reviewed · OneDrive and SharePoint investigation
Investigating OneDrive and SharePoint Sync Problems
Identify the authoritative location, compare web and local evidence, and explain identity, relationship, item, or migration boundaries before changing client state.
Open Tutorial →
Reviewed · Windows Server storage investigation
Investigating Low Disk Space on Windows Server
Confirm the affected volume, measure capacity and growth, and correlate likely storage consumers before planning cleanup or expansion.
Open Tutorial →
Reviewed · Windows Server DHCP investigation
Investigating DHCP Scope Capacity and Address Exhaustion
Correlate scope statistics, leases, reservations, exclusions, failover, and operational symptoms before planning a capacity change.
Open Tutorial →
Reviewed · Microsoft Entra investigation
Investigating Microsoft Entra Sign-ins and Conditional Access Results
Match the correct sign-in event and correlate authentication, policy, device, network, client, application, and resource evidence without changing the tenant.
Open Tutorial →
Reviewed · Active Directory investigation
Investigating DNS, Active Directory, and Domain Health
Correlate client DNS, locator records, domain-controller discovery, secure channels, replication, time, services, and logs without automating repairs.
Open Tutorial →
Reviewed · Windows DNS troubleshooting
Use Test-KTDNS v1.0.0 for Read-Only DNS Troubleshooting
Download, verify, review, and run the published DNS-only PowerShell tool, then interpret its normalized results safely.
Open Tutorial →
Reviewed · Windows network configuration
Inspecting Local Windows Network Configuration with Get-KTNetworkConfig
Verify and run the read-only local discovery tool, interpret its eight-property objects, state the evidence limits, and choose the next diagnostic step.
Open Tutorial →
Reviewed · Exchange Online troubleshooting
Diagnose an Archive Not Reducing Primary Mailbox Usage
A repeatable PowerShell procedure for proving whether archive movement is configured, blocked, and actually occurring.
Open Tutorial →
Reviewed · Microsoft 365 troubleshooting
Shared Mailbox Not Showing in Outlook
A practical flow for checking Exchange permissions and propagation before changing Outlook.
Open Tutorial →
Related case · KT-000001
See the investigation behind the method
The paired Case shows how the shared-mailbox troubleshooting path mattered in a real technical investigation.
Read the Case →
Draft under review
Create a Microsoft 365 Shared Mailbox
The framework and prerequisites are available, but the step-by-step procedure is not yet approved for production use.
View Draft Status →