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Customize Exchange 2007 mail quota messages from the command line

Learn about a PowerShell scripting feature called cmdlets that lets you customize Exchange 2007 mail quota warnings and Delivery Status Notification messages from the command line.

Exchange Server 2007 administrators can use cmdlets to easily customize mail quota warnings and Delivery Status Notification (DSN) messages. "Cmdlets" (pronounced commandlets) are command-line administrative functions built using Microsoft's PowerShell technology.

To change the Delivery Status Notification message for the DSN error 5.2.2 ("mailbox is full"), you could supply the following cmdlet, all on one line:

New-SystemMessage –DsnCode 5.2.2 –Language En –Internal $false –Text "Sorry, that mailbox is filled to bursting with other messages. You'll have to try again later when they've read a few things."

The syntax is fairly straightforward:

  • DsnCode lets you specify which exact error message to supply a custom string for

  • Language indicates which language to use for the string (in this case, English)

  • Internal, set here to $false, means that this message will be presented to external (i.e., SMTP) users only.

  • Text describes the text of the error message, delimited by double quotes.

To change a quota message, you'd use a syntax like this:

New-SystemMessage –QuotaMessageType WarningMailbox –Language En –Text "Your mailbox is becoming dangerously full. Please remove some messages or talk to your administrator about having your mail account upgraded."

  • QuotaMessageType describes what kind of quota message this is, with WarningMailbox being one of several valid possibilities.

Related Exchange 2007 resources:

Tip: How to create filtered mailbox views in Exchange Server 2007

Tutorial: A primer on Exchange 2007 server roles

Step-by-Step Guide: How to install and configure an Edge Transport server for Exchange 2007

Exchange Server 2007 Reference Center

The other options are self-evident here; the Internal option isn't used in this instance because mail quota messages are internal by default. For a complete breakdown of the commands available, the New-SystemMessage article in the TechNet library has all the details.

Note that New-SystemMessage will only work on Exchange Server computers that have the Hub Transport or Edge Transport server role.

About the author: Serdar Yegulalp is editor of Windows Insight, a newsletter devoted to hints, tips, tricks, news and goodies for all flavors of Windows users.

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