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Office365: Using Exchange in Online Mode

Posted on 2013-06-11
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Last Modified: 2013-10-26
Hello:

We are contemplating moving our in-house Exchange environment to Office365.  We are a Citrix XenApp shop and as such, will probably have to use Online Mode.  I've tested cached mode with the cache being on a network share.  It works reasonable well, but I haven't scaled it out.  I've read some whitepapers that explain why this isn't a good idea.

So, in testing Online mode, there is a detectable delay when switching emails or folders.  My question is this:  how do I test this accurately?  We have 1500 users and I don't know what the bandwidth requirement is.  Second to that, I read somewhere (can't find it) that you can exhaust your WAN IP's available ports, as each Outlook session will require multiple ports.

How can I test this to scale?  Are there other things I should be considering?

Thanks,

Dan
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Question by:ddotson
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Expert Comment

by:Marshal Hubs
ID: 39240112
Choose between Cached Exchange Mode and Online Mode : http://technet.microsoft.com/en-us/library/jj683103.aspx
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Author Comment

by:ddotson
ID: 39241518
Outlook 2013 sounds pretty cool.

Our problem is that we are stuck with 2010.  We have some legacy apps that require it.
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Expert Comment

by:Marshal Hubs
ID: 39243292
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Do you have a plan for Continuity?

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Author Comment

by:ddotson
ID: 39256979
So this is good information to have, but I really need help finding a solution for testing this to scale.  Any suggestions?
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Accepted Solution

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ddotson earned 0 total points
ID: 39588163
Appears that my question has been abandoned.  I will request that it be closed.
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Author Closing Comment

by:ddotson
ID: 39602393
Question is not getting participation.
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