ost file has reached max size

just gave a user a new pc.
i configured user in exchange in cache mode
she hasnt been able to receive emails today cause "the message store has reached its maximum size."

this is an OST file, not a PST file.
ttrbrtsnAsked:
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Dope ADMSr. Systems EngineerCommented:
Need more info, is archiving even enabled? if so, you may want to shorten the retention polity time (i.e from2 years to 6 months, etc..)
  (https://technet.microsoft.com/en-us/library/dd979800(v=exchg.160).aspx)
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JohnBusiness Consultant (Owner)Commented:
Archive old messages using Outlook / Exchange Archiving and reduce (substantially) both the mail email file and the OST file. This will help performance as well.
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ttrbrtsnAuthor Commented:
the ost is at 49GB. what do i need to do to make the ost file size larger?
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JohnBusiness Consultant (Owner)Commented:
What you want to do is make it smaller as 50 GB is about the maximum. So focus on reducing it as outlined above.
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FOXActive Directory/Exchange EngineerCommented:
Does this outlook profile have shared calendars connected to it, via additional mailboxes in outlook?  If so, uncheck download Shared folders in the settings in there.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
The user should clean up the mail and reduce the size.  That said, if memory serves, you can't even do that if the file has reached the max.
Adjust the settings.  I would recommend setting the warning level LOWER than the Max size and then hopefully the user can get a warning to clean things up.
https://support.microsoft.com/en-us/help/832925/how-to-configure-the-size-limit-for-both--pst-and--ost-files-in-outloo

Don't forget to educate the user so they know how to properly prune their mail.
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RaminTechnical AdvisorCommented:
Please read this Article from Microsoft Support.  I think you have to contact Microsoft.
https://support.microsoft.com/en-nz/help/2933701/-message-store-has-reached-its-maximum-size-error-when-an-office-365-u
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Marshal HubsEmail ConsultantCommented:
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Seth SimmonsSr. Systems AdministratorCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Split:
-- Lee W MVP (https:#a42423670)
-- John Hurst (https:#a42423568)


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