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Cached mode or not?

I'm running Office Pro 2003 SP2 on all my workstations, along with Outlook 2003. Last night I tried switching to non-Cached mode to see what would happen and although I was pleased with being able to receive an email as soon as it's sent, I found if I tried sending an email myself, it would just sit in the Outbox and never send. The option "Send immediately when connected" is ticked and it seems to send either when an email is received, the Send/Receive button is pressed, or if I click into the Outbox folder. Is there any reason behind this issue?

Additionally is there really any benefit from using this mode, seeing as it'll make Outlook absolutely useless to you if the server fell over? Or is it meant to be used in an environment where cluster servers are present?
1 Solution
Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
Actually I think you have it backwards... Assuming that you are not using the POP3 connector for your email, but have Exchange configured for SMTP mail, there is no reason you shouldn't get email as soon as it's sent (delivered actually) in the first place.

Furthermore, if the server goes down, cached mode will actually allow you to keep working in Outlook, whereas if you didn't have it running, then you wouldn't have access to your messages.

There are a couple of other reasons to run in Cached mode though... the main one is that the engineering design of cached mode is to distribute the processing of Exchange out to the workstations.  This allows Exchange to be more efficient, which in an SBS environment is rather critical.  The second reason is that the Junk Mail filters don't work if you aren't in cached mode.  Definitely a reason to keep it going.

Cached mode is configured by default on SBS when you properly use the add-user and add-computer wizards, and then join your workstation to the domain using http://<servername>/connectcomputer.

DReade83Author Commented:
Fair enough. I've started using Cached mode again anyhow. I've been using it for months with no problems that it would seem silly to switch to something that's not as reliable.

Thanks for your response.

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