Should I upgrade Exchange '10 to '13 or go straight to '16?

SINC_dmack
SINC_dmack used Ask the Experts™
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We have several small Exchange '10 servers (under 100 mailboxes) and are thinking about upgrading to a newer version of Exchange.  '16 has been out for a few weeks and presumably some of you have gone from '10 to '16, so is it safe to make that jump, or should we go to '13 and wait a few months before going to '16?  I've seen people say Exchange '16 is basically Exchange '13 SP2, which makes it seem like it should be less-scary to go up two Exchange versions.

(There are several old threads about this, but the most recent one I could find is from July.)
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Kamal KhaleefaInformation Security Specialist

Commented:
there is still issues with exchange 2013
if your environment is not heavy duty go 2016 other wise stay on exchange 2013 with latest cu  10
i wont support going to newer version than 2013 for exchange or SQL

Author

Commented:
Could you elaborate on the issues that you've found that make you think it's unwise to upgrade to Exchange '16 at this time?  Thanks!
Kamal KhaleefaInformation Security Specialist

Commented:
with 2013
roles disappear
Health mailbox corruption
Replication corruption
slowness with cas server "queries"
Public folder corruption
Compatability  with mobiles and client "older client  outlook version"
Discovery mailbox corruption

Not all of these solved till now in cu10
Thats y i don't recommend going to 2016
my environment 4 cas 4 mbx 2 dr
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IT Architect
Distinguished Expert 2017
Commented:
I recommend you move directly to 2016.  Use deployment assistant tool.

https://technet.microsoft.com/en-us/office/dn756393.aspx

Note: 2016 fits into 2010 or 2013 seamlessly. Not like previous version where you have to cut over everything to higher version. You can introduce 2016 with 2010 and test it as per your environment. Even you can have user on 2016 and let your 2010 be at front.

Commented:
Exchange 2016 has no "wow" features to speak of. Straightforward, Exchange 2016 is a clear shift to Microsoft's touted "cloud first" strategy.
AmitIT Architect
Distinguished Expert 2017

Commented:
One of the wow feature is, you save money for extra license. Also, note cloud is the future. All big companies are heavily investing on cloud solution. As far as, i know Exchange 2016 is the best edition after 2003.

Author

Commented:
I'm reviewing the Exchange Server Deployment Assistant to evaluate moving from Exchange '10 to '16 directly and will keep this thread updated.  Thanks everyone for your input thus far!

Author

Commented:
I did migrate from '10 directly to '16.  There were no undue hiccups, and the '16 deployment has been running fine for a couple of months.

Author

Commented:
I used the Exchange deployment guide and moved from Exchange '10 straight to '16, per Amit's recommendation.

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