Exchange Upgrade

Posted on 2011-10-28
Last Modified: 2012-05-12
I am starting the planning phase for an Exchange 2003 upgrade to 2010. Any Tips or links to good literature out there to help me along? Also, VMWare says Exchange will run better on a virtual machine. Has anyone had any experience with this as well? Advice?
Question by:ktpoitm
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    by:Deepu Chowdary
    There is nothing like that exchange wil not run better on VMware., you need to allocate more memory.
    Just follow this article from ee for migration.
    LVL 14

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    For starters you should read the official guides,

    Running exchange on VMware isn't going to be as efficient as running it on native hardware. You can also read the official vmware planning guide.

    I'm happy to answer questions you have after you've read these..

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    I've got 3 deployments of VMware ESXi 4.1 at clients' sites with Exchange 2010 without a problem. One is a 10 user environment, another is a 50 user environment and the third is a 175 user environment.

    Virtualizing any server will not make it run faster. What you gain is the ability to move the VM guest to another server easily and the ability to "resource share" with other VM guests within the hypervisor.  If you opt for VMware's vCenter Server, you can pool resources of multiple servers and gain the ability to create high availability deployments if you're in a iSCSI or FC SAN environment.

    As for the conversion, a.k.a. "Transition", I used the "Rapid Transition Guide from Exchange 2003 to Exchange 2010" found here:
    Worked quite well and is relatively easy to follow.
    LVL 14

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    Proper planning is key, I'm currently deploying a 3 node DAG in VMware for 3000 users. In order to achieve that, I had to design 8 virtual CPUs in order to meet demand. The exchange 2010 capacity planner is a great tool to help you design a supported solution. "supported" is a key word here. It should be understood tha Microsoft only support ha in exchange when the mailbox servers are in a dag.
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    Another advantage of virtualization is that it makes recovery easier. We are able to snapshot our servers using the SAN. The OS and data are on different volumes, so we have been able to quickly restore the OS without affecting the data. It is much easier than doing a traditional backup and restore.

    Our mailbox server has two virtual CPU for 700 users. Average CPU is about 10%, and it connects to storage using the guest's iSCSI initiator. Using Hyper-V.

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