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number of messages limit for account in Exchange 2007 using Outlook 2003

Is there any message number limit if I'm using Outlook 2003 with Exchange 2007?

There is no storage issue on the Exchange server.. it's got 300-400 gigs free. Can I have 20,000 - 30,000 messages in my inbox without archiving it off? Any problem with just keeping Outlook 2003 as my client?
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BryceRichert
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BryceRichert
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Sparktech8Commented:

The storage limit is set on the server and you can set it by mailbox size or age of items or leave it off entirely.

The problem you'll run into with Outlook 2003 is a 2GB size limit on the .ost or .pst file.  Once these files grow larger thank 2GB they'll eventually corrupt themselves.
Strickly speaking you could make it work by turning off cached mode, but I don't think you would be happy with the performance.  This page talks about the performance problems in Outlook when the folder sizes get large.  
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Sparktech8Commented:
Sorry, here's the link.
http://support.microsoft.com/kb/905803
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BryceRichertAuthor Commented:
So if we don't use cached mode or archive our email, just the fact that there are 30,000 messages, even though it's below a physical "space" limit (not by number of messages) ... we would just have a performance hit as appposed to something becoming corrupted on the server? I understand the risks with ost and pst locally... I'm worried about the integrity of the store on the server. If they are willing to accept longer refreshes on their messages, which they are, I just need to be sure that the exchange server doesn't care that there could be potentially 30-40,000 messages in one account, even though it falls below a size threshold set for that particular account. Not sure if I'm explaing myself correctly here.
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BryceRichertAuthor Commented:
It sounds like they could keep 100,000 messages in their account if they aren't in the same folder for indexing purposes. I could just tell them to make subfolders in their inbox by year and just arrange them that way. Correct?
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Sparktech8Commented:
That's correct.  The main issue is number of messages per folder, performance wise.  However, in my experience, overall mailbox size does negatively impact Outlook performance.

As far as the actual mailbox database itself though, it should handle it without problem.  I have a user with over 250k messages in his mailbox.

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BryceRichertAuthor Commented:
Thanks
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