Thanks for all the replies, both on and off list. As I was suspecting, I
was only hearing from squeaky wheels and people who were having trouble. We
know that we rarely hear about things that "just work as expected" :-)

Reading between the lines from my discussions at Gartner, there seem to be
some things about the orgs that can increase the risk, cost and time needed
for a migration

1. are very large (15K+ users, and in once case 150K users)
2. trying to do those moves within a single year (which I would have
expected to be possible)
3. have large, and well-embedded AD with a rich history beginning with NT
:-)
4. lots of custom automation based on on-prem AD (and make no mistake,
Azure AD is a different code base with different data criteria)
5. a mixed bag on data quality in their existing AD
6. integration issues with a related identity management solution, such as
an in-house HR feed, or an old crufty Oracle or other Ident Mgmt or Ident
Fed solution

The impression I'm getting is that o365 is being sold as "an easy
transition", without regard for actually looking at risk areas for the
specific customer. In other words, it is "real Enterprise software" which
requires a certain amount of training and necessary complexity and support,
even if it being sold as a complete turn-key cloud solution that is "as
easy as your personal gmail".

In other words, not that much different from most other vendors.

A fair amount of up-front analysis and an honest assessment of the risk,
process and costs should allow a reasonably good outcome.

Thanks again for the info.

LOPSA always delivers.

--tep


On Thu, Aug 25, 2016 at 5:57 PM, Nick Silkey <[email protected]> wrote:

> Outsourced E-mail and Calendaring is so highly commoditized and
> ubiquitous, it makes little to no sense to host on-prem in 2016. Even edu,
> med, and gov seem to be jumping onboard.
>
> There are much more interesting technical challenges to hack on and
> delight users with.
>
> That said, being an Exchange user is an experience where going from
> on-prem Exchange to Google Apps is significantly bumpier to hearts and
> minds and workflows than jumping to O365.
>
> My $0.02. :)
> On Thu, Aug 25, 2016 at 6:25 PM Mark Honomichl <[email protected]>
> wrote:
>
>> We made the transition from on-prem to O365 at my last job (Dun &
>> Bradstreet). I thought it went relatively smooth. We had som issues with
>> permissions and calendar sharing as we made the transition, but in the end
>> I think everyone was satisfied. Of course it could have just been our
>> mailboxes going from 200M to 50G.....
>>
>> Get Outlook for iOS <https://aka.ms/o0ukef>
>>
>>
>>
>>
>> On Thu, Aug 25, 2016 at 3:55 PM -0500, "Tom Perrine" <
>> [email protected]> wrote:
>>
>> Oh great sysadmin collective mind,
>>
>> I was at a Gartner conference last week, and they commented that "78% of
>> Gartner customers are planning or committed to Office 365".
>>
>> But everyone was talking about all the problems, stalls, fails and WTF;
>> many of uswere looking for anyone who had completed a migration to o365
>> successfully.
>>
>> There were some companies that said they would "hopefully finish the
>> migration early next year, maybe", I didn't find any people (at large
>> companies) that were done.
>>
>> We can debate SaaS and on-prem email all day long. Personally, as long as
>> it works and my users are happy, and it's secure, I don't care if I run it
>> or someone else.
>>
>> I just want to make sure that no matter how any of this goes, I have
>> happy, productive users. That's my #1 concern for any service, whether we
>> do it or it gets outsourced.
>>
>> What I'm looking for is any pointers to (large) companies that have
>> completed the o365 transition. There have to be some out there.
>>
>> (I could make many of the same comments about large enterprises moving to
>> Google for business as well, I bet.)
>>
>> Thanks,
>> --tep
>>
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>
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