[AusNOG] [AUSNOG] o365 experience

[Michael Keating]

I'll also praise MigrationWiz, it's a fantastic product with a lot more
features than a few years ago (think profile migration client that you can
deploy to endpoints). Exchange Online is very stable, not like the days of
what felt like endless downtime.

Like everything, you learn the ins and outs through experience, and it
really depends on your deployment model. Using ADSync? Hybrid? Windows
Server Essentials deployment? Standalone? The compliance and security
settings are very comprehensive, and management though Exchange Online
Powershell is a must.

Just while rate-limiting is mentioned, users that access a number of other
users mailboxes will have a poor experience when adding mailbox permissions
through ECP (automapping) in cached mode. You will want to disable
automapping by granting the permission through Exchange Online Powershell
and disabling auto-mapping, and adding the account manually in the
end-users mailbox. This does change the end user experience, but in
practice getting the whole mailbox cached and not have Outlook freeze far
outweighs the quirks it brings.

Regards,

Michael Keating

On Tue, Jun 19, 2018 at 11:46 AM, Bill <bill at wjw.nz> wrote:

> We used a product called MigrationWiz to migrate our 7000 users.
>
> The only issue with using a product like that is the rate limit into the
> tenant. However you can request MS turn it off for a period of time.
>
> We’ve been running with Exchange Online since 2013. There have been
> occasional network issues, but they are usually short in duration and
> exacerbated by us being a global organisation with our tenant based in
> North Central US.
>
>
> Sent from my iPhone
>
> On 19/06/2018, at 1:04 PM, Paul Wilkins <paulwilkins369 at gmail.com> wrote:
>
> I'd be interested to hear general opinions and lessons learned from o365
> migrations. So far as I've seen, the architecture (network and services) is
> complex, and user experience can never equal local Exchange.
>
> So much so it leaves me wondering if the effort of migration can be
> justified? At the end of the day, you need a performant service, not finger
> pointing between networks and services, and blaming performance on
> insufficient network/proxy scale out.
>
> Kind Regards
>
> Paul Wilkins
>
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