Set-MailboxQuota.ps1 is a PowerShell script written to simply the routine administrative task of increasing or decreasing a mailbox user's quota thresholds.

The script provides three options:

Examples:

PowerShell
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.\Set-MailboxQuota.ps1 -Mailbox Alannah.Shaw -UseDatabaseDefaults
 
PowerShell
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.\Set-MailboxQuota.ps1 -Mailbox Alannah.Shaw -IncreaseByPercentage 10
 
PowerShell
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Get-Mailbox -Database DB01 | .\Set-MailboxQuota.ps1 -UseDatabaseDefaults
 
More information about Set-MailboxQuota.ps1 is available on Exchange Server Pro. Comments and feedback are welcome there.