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PowerShell 2.0: One Cmdlet at a Time #12 Write-EventLog
Posted on December 2nd, 2009 2 commentsContinuing the series looking at new cmdlets available in PowerShell 2.0. This time we look at the Write-EventLog cmdlet.
What can I do with it?
Write an event in a Windows Event Log on a local or remote machine.
Example:
Write an Error event into the Application log on Server01 with source CustomApp1, EventID 8750 and Error Message.
Write-EventLog -computername Server01 -logname Application -source CustomApp1 -eventID 8750 -entrytype Error -message "CustomApp1 has experienced Error 9875"
How could I have done this in PowerShell 1.0?
You could have used the .NET System.Diagnostics.EventLog class. Richard Siddaway has put together a great function which uses this class to make it easy to write to the Event Log using PowerShell 1.0.
function Write-EventLog { param([string]$msg = "Default Message", [string]$type="Information") $log = New-Object System.Diagnostics.EventLog $log.set_log("Application") $log.set_source("CustomApp1") $log.WriteEntry($msg,$type) }
You can then use the function like this
Write-EventLog "CustomApp1 has started" "Information"
2 responses to “PowerShell 2.0: One Cmdlet at a Time #12 Write-EventLog”
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Great Tip..But if you dont have event source already created, a error occurs. You can test and after create. The test you send this tip (teste-path) to me.
if (!(test-path HKLM:\SYSTEM\CurrentControlSet\Services\Eventlog\Application\TestSource))
{
[System.Diagnostics.EventLog]::CreateEventSOurce(”TestSource”,”Application”)
}Write-EventLog -computername $env:computername -logname Application -source TestSource -eventID 8750 -entrytype Error -message “CustomApp1 has experienced Error 9875″
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Jonathan Medd December 3rd, 2009 at 20:38
Nice job – thanks for the interesting feedback!
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laertejunior December 3rd, 2009 at 18:16