PowerShell: Find Recent Windows Event Log Errors

!Issue

Use PowerShell to identify recent Error and Critical events across Windows Server event logs.

✓Solution

01 Select a time window

★Recommendations

06 Avoid over-filtering A missing error does not prove that the system is healthy. Combine event data with service, network and performance checks.

Define the last hour, day or other period that matches the incident investigation.

Select a time window

Use Get-WinEvent with a FilterHashtable to avoid reading the entire log unnecessarily.

Filter for Error and Critical levels and include ProviderName, Id and message text.

Compare event timestamps with the start of the user-visible issue and other infrastructure changes.

Create a CSV or HTML report containing time, log, provider, event ID and message.

A missing error does not prove that the system is healthy. Combine event data with service, network and performance checks.

Continue with practical infrastructure troubleshooting, PowerShell scripts and operational runbooks.