We are considering upgrading to D365 on premise version 9.0

Current environment: CRM 2016, ver 8.1 on  premise, SQL Server 2012

We are considering upgrading to D365 on premise version 9.0, we have also considered upgrading to D365 8.2.2

Are there any significant differences going to version 9.0 instead of version 8.2.2.  

I have read the Windows 2016 is required for D365 v9.0, on prem.  Are there any other requirements that we should be aware of?

Thanks
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apollo7Asked:
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Chinmay PatelChief Technology NinjaCommented:
Hi apollo7,

Are there any significant differences going to version 9.0 instead of version 8.2.2.  

Yes there are. And they are now listed per app i.e. D365 CRM is now not a single product but bunch of apps put together.List of these changes is huge hence I would recommend you go through the release notes from last couple of releases. You can find these release notes at: https://docs.microsoft.com/en-us/business-applications-release-notes/index

I have read the Windows 2016 is required for D365 v9.0, on prem.  Are there any other requirements that we should be aware of?

Yes. The following two editions are supported:
  1. Windows Server 2016 Standard
[list=2]Windows Server 2016 Datacenter
[/list]

And the complete list can be found here:
https://docs.microsoft.com/en-us/dynamics365/customer-engagement/on-premises/software-requirements-for-microsoft-dynamics-365-server

Regards,
Chinmay.

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apollo7Author Commented:
Chinmay, thanks for the great answer.  I also have a installation question related to this because I have only upgraded CRM 2016 to Dynamics 365 8.2 online

The current 8.1 installation uses ADFS to connect, are there any changes to this when upgrading to 8.2.2?  For online upgrades, it was just a "service patch" that basically was a "branding" change to Dynamics 365.  Is this the same for an on-premise upgrade?  Besides ADFS, does it affect the email router, SSRS, etc?

Thanks
Chinmay PatelChief Technology NinjaCommented:
Hi apollo7,

It was "not" really just a patch. It was a major update. And similar to that this is also a major update. I have not gotten a chance to perform an On Premise upgrade hence I will not be able to tell you much. I do know that the process of installation is seamless. I am not aware of any effects on SSRS as such.

PS: Email Router is soon going away(It is already deprecated). I would request you to start looking at Server Side Sync.

Regards,
Chinmay.
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apollo7Author Commented:
Thanks Chinmay, if this upgrade is done in-place, is there a roll-back method?  Would it be to restore a backup and import the org?
Chinmay PatelChief Technology NinjaCommented:
In older version as well, when we performed upgrades, we always took the database back up along with app server and to perform a roll back, we restored the database and app server. If you have physical machines then I suggest you take a complete server backup. If you are using a VM, then use snapshots.
apollo7Author Commented:
Thanks, Chinmay - you are the best!
apollo7Author Commented:
Great answer, thanks very much
Chinmay PatelChief Technology NinjaCommented:
Glad I could help :)
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