Using Task Scheduler to Purge Microsoft Exchange and IIS Logs

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Microsoft Exchange creates a lot of logs. Unless these are managed, they can quickly fill up your disk space. The following describes one way to use PowerShell and Task Scheduler to automatically purge the Exchange 2013+ and IIS logs. Scheduled task would be useful for Hybrid deployments where Exchange Server is used just for managing mailbox properties (applies Hybrid Identities) and you are not really too much interested in deeper diagnostic logs.

Scheduled Task Summary

Task Name	Purge Exchange logs older than 7 days
Function	Deletes all Exchange logs older than 7 days from the following location ‘c:\program files\microsoft\exchange server\V15\Logging’
Schedule	Daily at 1am
Program Called	C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Parameters	-NonInteractive -WindowStyle Hidden -command “. ‘c:\program files\microsoft\exchange server\V15\bin\RemoteExchange.ps1’; Connect-ExchangeServer -auto; gci ‘c:\program files\microsoft\exchange server\V15\Logging’ -Directory | gci -Include ‘*.log’,’*.blg’ -Recurse | ? LastWriteTime -lt (Get-Date).AddDays(-7) | Remove-Item
Runs As	SYSTEM

Task Name	Purge IIS logs older than  14 days
Function	Deletes all IIS logs older than 14 days from the following location ‘c:\inetpub\logs’
Schedule	Daily at 1am
Program Called	C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
Parameters	-NonInteractive -WindowStyle Hidden -command “. ‘c:\program files\microsoft\exchange server\V15\bin\RemoteExchange.ps1’; Connect-ExchangeServer -auto; gci ‘C:\inetpub\logs’ -Directory | gci -Include ‘*.log’,’*.blg’ -Recurse | ? LastWriteTime -lt (Get-Date).AddDays(-14) | Remove-Item
Runs As	SYSTEM