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Craig Paulsen
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Outlook 2007 with Exchange 2003

Guys,

Could you please clarify, what is the official Microsoft stance on this, we have a couple of users in our organization with exchange mailboxes larger 5GB+
These guys are always complaining the time it takes to click from mailbox to calender view and I suspect it's as a direct result of there mailbox size, I've heard mixed report that 2GB+ mailboxes are supported with outlook 2007, but what is the limit,
Also what else can be the cause of the slow calender response, when clicking on a calender resource, the items takes awhile to populate and display
Email ClientsExchangeOutlook

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Craig Paulsen

8/22/2022 - Mon
Subnet_This

Both Outlook 2003 and 2007 have a default limit of 20GB that is also configurable. For performance and stability reasons, it is not recommended to increase the limit beyond 20 GB.

Also, is their Outlook configured for Cached Exchange Mode? If not, they Outlook has to download their entire Calendar / Mailbox when they connect. It's a good idea to have this turned on, especially if they have a large mailbox.
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mrbrain646

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Craig Paulsen

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@Subnet_This; outlook running with cached mode turned on,
@mrbrain646, exchange server 2003, OS, windows XP - SP3 on new i7 Core machines, new users are fine, just users with large mailboxes, we getting serious heat from irrate users around this
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Craig Paulsen

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20GB now 16GB,
cached mode is turned on, still there is performance issues, it's not a network issue, it's not an exchange issue, just specific to users with large mailboxes.....
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Subnet_This

Sorry, I just noticed that mbrain646 already posted that link. Try it out though.
Craig Paulsen

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thanks for the comments guys, I've enable cached mode and recreated the user's OST file, it has significantly improved matters, the user however "claims" that calender entries which shows in her General Manager calender on his PC is not showing on her PC when she views them on her machine? What could be the reason for that?
Craig Paulsen

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hasn't really solved my problem,
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