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Hello,<br />
<br />
Setting the warning quota alone will not impose any limits on the mailbox. It simply issues a warning. You need to set the prohibit send and/or prohibit send/receive quotas if you want to impose limits.<br />
<br />
-JJ
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Hello,

Setting the warning quota alone will not impose any limits on the mailbox. It simply issues a warning. You need to set the prohibit send and/or prohibit send/receive quotas if you want to impose limits.

-JJ

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I understand but no one is getting any warnings even though the they are over the default mailbox limits.
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I understand but no one is getting any warnings even though the they are over the default mailbox limits.

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What value do you have set for the ProhibitSendQuota?<br />
<br />
-JJ
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What value do you have set for the ProhibitSendQuota?

-JJ

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Thank you!! Yes i must be diplomatic about imposing limits.
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Thank you!! Yes i must be diplomatic about imposing limits.

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your welcome, and diplomacy is always optional in my book...... :)
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your welcome, and diplomacy is always optional in my book...... :)

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I have the default mailbox size set to warn users at 6500MB. But users are not being limited. I used the get-Mailbox -Identity to check the size of a user mailbox and here's what I got:<br />
&nbsp;<br />
IssueWarningQuota &nbsp; &nbsp; &nbsp; &nbsp;: unlimited<br />
ProhibitSendQuota &nbsp; &nbsp; &nbsp; &nbsp;: unlimited<br />
ProhibitSendReceiveQuota : unlimited<br />
<br />
The user does have the storage quota set to &quot;Use mailbox database size&quot;
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I have the default mailbox size set to warn users at 6500MB. But users are not being limited. I used the get-Mailbox -Identity to check the size of a user mailbox and here's what I got:
 
IssueWarningQuota        : unlimited
ProhibitSendQuota        : unlimited
ProhibitSendReceiveQuota : unlimited

The user does have the storage quota set to "Use mailbox database size"

Why doesn't mailbox size defaults in Exchange 2010 apply to all users?

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.