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Potential issues on migration from Exchange 2003 to 2010 and Windows server 2003 to 2008 R2

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Last Modified: 2012-05-11
Good day everyone. We are looking at upgrading Exchange and Windows server OS on a few boxes and would like to know if there are any potential issues we could experience. We will be upgrading our Exchnage 2003 (Windows Server 2003) machine as well as our PDC which also houses Trend Micro network protection, and our customized accounting software.

All our client PCs run Office 2007 and will be upgrading to 2010 after the upgrade to Exchange 2010. All the computer also run a minimum of Windows XP with many on Vista and 7. We also have a BES server on v.4.1.6.9 running on Windows 2003 as a third server and have a Secondary DC which is also our file server running Windows 2003 as well.

If we were to only upgrade Exchnage to 2010 and the Primary DC to Windows 2008 R2, are there any known issues that could experience over all?
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
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Commented:
I'm sorry that I forgot to mention that but we will be purchasing 2 new 64bit servers and possibly virtualizing both servers.
Hi sscal,

There are many potential issues with the migration.  If at all possible, do it in a test environment first.

http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=issues+migration+exchange+2003+to+2010#hl=en&sa=X&ei=ONq1TeXcIZDUgQfApfjGCw&ved=0CBwQBSgA&q=issues+migrating+exchange+2003+to+2010&spell=1&bav=on.2,or.r_gc.r_pw.&fp=76258fd74ceb8990

Most of our issues were with Blackberry devices and other phones that get email.  Many needed resyncing or reset.

Thanks.
mug
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
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Okay, well if you are doing the virtual environment, then there is no reason, why you cannot do several rehersals.

Author

Commented:
We do not have the luxury of doing this in a test environment first as we are a very small company and small IT staff. I have used the search engine prior to posting to find potential issues but couldn't find a concrete list of some sort.
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
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Commented:
Well if you are not prepared to test, you must accept the risk of failure.

There are no real issues, if you prepare correctly.

Author

Commented:
The virtual environment is a possibility but I don't much about virtualization so I am unsure if I will be doing it with the new servers. Lets leave the virtualization out of this topic. I am simply focused on discussing possible issues with Exchnage, BES, and the Windows server environment.

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Commented:
Are there any other possible issues that anyone can share?
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Andrew OakeleyConsultant

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> I have used the search engine prior to posting to find potential issues but couldn't find a concrete list of some sort.

I know this is not an answer but felt like giving my 2c worth. Ignore it if you think I am being an idiot.

There is no concrete list of potential issues. Especially as what I might consider a minor inconvenience or speed bump someone with less skills might consider a major issue. And what I consider a major issue someone with more skills than me might consider to be nothing. So it's all a matter of perception. Anything can go wrong at any time and for no discernable reason. Either you have the confidence/skills to undertake the task or you dont. If you don't have the confidence, testing in a VM scenario is a good idea. If you think you do not have the time to test, do you have the time to recover it it goes wrong? In my experience the more skilled the engineer the more they want to test, and the slower they go, but the better the outcome is in the end.




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