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Increase mailbox quota

Most users have a prohibit send quota of 512MB in our Exchange 2007 environment.

A senior manager has breached that limit and can no longer send email. He is saying he urgently needs to send a message out immediately.

Apart from asking him to delete messages/reduce the size of his mailbox, is the only solution to increase the send quota limit? I've heard this can take up to 2 hours to take effect due to Inf Store refresh time. Is there anyway to manually refresh the cache? Even on the Outlook side?
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1 Solution
hi bruce,
- there are three mailbox quota types available:
: Issue Warning Quota - not a hard limit, but a warning.  when exceeded, user will get a warning message about their mailbox size, but will still be able to send and receive e-mail.
: Prohibit Send Quota - this is a hard limit. once exceeds the user will no longer be able to send e-mail.
: Prohibit Send and Receive Quota - hard limit on send and receive e-mail.  

- if you are looking into a quick one, change the quota type to Issue Warning Quota instead.
- if you are setting the quota across the organization, read further here to manage it per mailbox. the per-mailbox basis setting will overwrite the database level:

Rajith EnchiparambilOffice 365 & Exchange ArchitectCommented:
Two options,

either user deletes or archive to PST files.

Or you increase the space and restart Information Store service for changes to take effect immediately.

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