Configure storage quotas for a mailbox

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Gilt für:Exchange Server 2016

Summary: How to set storage quotas on Exchange mailboxes.

You can use the Exchange-Verwaltungskonsole (EAC) or the Exchange-Verwaltungsshell to customize the mailbox storage quotas for specific mailboxes. Storage quotas let you control the size of mailboxes and manage the growth of mailbox databases. When a mailbox reaches or exceeds a specified storage quota, Exchange sends a descriptive notification to the mailbox owner.

Storage quotas are typically configured on a per-database basis. This means that the quotas configured for a mailbox database apply to all mailboxes in that database. For more information about managing per-database mailbox settings, see Verwalten von Postfachdatenbanken in Exchange 2013.

This topic shows you how to customize storage settings for a specific mailbox instead of using the storage settings from the mailbox database. For additional management tasks related to user mailboxes, see Manage user mailboxes.

  • Estimated time to complete: 2 minutes.

  • Bevor Sie diese Verfahren ausführen können, müssen Ihnen die entsprechenden Berechtigungen zugewiesen werden. Informationen zu den von Ihnen benötigten Berechtigungen finden Sie unter "Recipient Provisioning Permissions" section in the Recipients Permissions topic.

  • Informationen zu Tastenkombinationen für die Verfahren in diesem Thema finden Sie unter Tastenkombinationen in der Exchange-Verwaltungskonsole.

tipTipp:
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  1. In the EAC, navigate to Recipients > Mailboxes.

  2. In the list of user mailboxes, click the mailbox that you want to change the storage quotas for, and then click Edit Bearbeitungssymbol.

  3. On the mailbox properties page, click Mailbox Usage, and then click More options.

  4. Click Customize the settings for this mailbox, and then set the following boxes. The value range for any of the storage quota settings is from 0 through 2047 gigabytes (GB).

    • Issue a warning at (GB)   This box displays the maximum storage limit before a warning is issued to the user. If the mailbox size reaches or exceeds the value specified, Exchange sends a warning message to the user.

      importantWichtig:
      The message associated with the Issue warning quota won’t be sent to the user unless the value of this setting is greater than 50% of the value specified in the Prohibit send quota. For example, if you set the Prohibit send quota to 8 MB, you must set the Issue warning quota to at least 4 MB. If you don’t, the Issue warning quota message won’t be sent.
    • Prohibit send at (GB)   If the mailbox size reaches or exceeds the specified limit, Exchange prevents the user from sending new messages and displays a descriptive error message.

    • Prohibit send and receive at (GB)   If the mailbox size reaches or exceeds the specified limit, Exchange prevents the mailbox user from sending new messages and won't deliver any new messages to the mailbox. Any messages sent to the mailbox are returned to the sender with a descriptive error message.

  5. Click Save to save your changes.

This example sets the issue warning, prohibit send, and prohibit send and receive quotas for Joe Healy's mailbox to 24.5 GB, 24.75 GB, and 25 GB respectively.

noteHinweis:
To ensure that the custom settings for the mailbox are used rather than the mailbox database defaults, you must set the UseDatabaseQuotaDefaults parameter to $false.
Set-Mailbox -Identity "Joe Healy" -IssueWarningQuota 24.5gb -ProhibitSendQuota 24.75gb -ProhibitSendReceiveQuota 25gb -UseDatabaseQuotaDefaults $false

This example sets the issue warning, prohibit send, and prohibit send and receive quotas for Ayla Kol's mailbox to 900 megabytes (MB), 950 MB, and 1 GB respectively, and configures the mailbox to use custom settings.

Set-Mailbox -Identity "Ayla Kol" -IssueWarningQuota 900mb -ProhibitSendQuota 950mb -ProhibitSendReceiveQuota 1gb -UseDatabaseQuotaDefaults $false

For detailed syntax and parameter information, see Set-Mailbox.

To verify that you've successfully set the storage quotas for a mailbox, do one of the following:

  1. In the EAC, navigate to Recipients > Mailboxes.

  2. In the list of user mailboxes, click the mailbox that you want to verify the storage quotas for, and then click Edit Bearbeitungssymbol.

  3. On the mailbox properties page, click Mailbox Usage, and then click More options.

  4. Verify that Customize the settings for this mailbox is selected.

  5. Verify the storage quota settings.

Or

Run the following command in the Exchange-Verwaltungsshell.

Get-Mailbox <identity> | fl IssueWarningQuota,ProhibitSendQuota,ProhibitSendReceiveQuota,UseDatabaseQuotaDefaults
 
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