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We have 2 kind of users, one group that is on our Exchange online within our Tenant.
For this first group, we managed to setup Server Side sync, pretty simple to do.
Another group is from another company within the group, but uses an Exchange 2016 CU10 on premise. This server is in a local only active directory so no trust,Ad sync with azure or SSO possible.
They use an Azure user in our Azure Tenant to log into CRM, but want to link their in premise exchange with their CRM user.
Is this a supported configuration and will we be able to deploy the new 'Dynamics 365 App for Outlook' on their on premise Exchange?
Instructions for connecting Dynamics 365 to an on-premise Exchange server can be found at https://technet.microsoft.com/en-us/library/mt622059.aspx .
I would also draw you to the warning at https://technet.microsoft.com/en-us/library/dn531109.aspx (given that I suspect your other department is security conscious) and emphasis that I don't remember seeing a dual online / on-premise exchange scenario so you may need to use 2 separate CRM instances..
On the upside provided Azure can talk to your exchange servers EWS service it does work (which everyone was surprised about when I tried it 18 months ago - until then Hybrid was the only supported approach)..
My warning would be that while this may work the only people I've ever seen get this to successfully work had a lot of support from appropriate Microsoft consulting teams and even then the customer needed to make some security changes for things to work...
I was already afraid this was not going be a walk in the park.
But it's a big customer so we will get support from Microsoft if necessary.
I already read the referenced article and was gunning for a connection via EWS, should be not that hard to achieve.
Still wondering about the support for a dual exchange scenario, theoretically this should work since you can create multiple server side profiles in one CRM instance.
I will try to reach out to our Microsoft contacts in order to get a conclusive answer.
It will take some time but I'll post the outcome in this post.
One other thing to watch out for - Office 365 groups won't work and sharepoint may have a problem with notifications.
I just wanted to share the feedback I got of one of our Microsoft Contacts.
He more or less confirms it's supported ...
I don’t think you should have a trust between the 2 AD domains.
For the supported scenario’s, have a look at: docs.microsoft.com/.../supported-email-service-configurations-server-side-synchronization
“You can create two different email server profiles: one for online mailboxes, and another for on-premises mailboxes. Associate the mailboxes with the correct email server profile.”
For the App for Outlook, you can check: docs.microsoft.com/.../deploy-dynamics-365-app-for-outlook
“As of the December 2016 Update for Dynamics 365 (online and on-premises) you can use the app with any combination of Dynamics 365 (online) or Dynamics 365 (on-premises) and Exchange Online or Exchange Server (on-premises), including hybrid configurations.”
I would like to thank Ben for the support on this topic ....
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