SharePoint Portal Migration to AZURE

SharePoint Portal migration to AZURE plan
Today I will outline action plan for Intranet/Internet “On-Premise” SharePoint portal migration to AZURE, at the end of this post you will find the required links/documents for Implementation steps .
1-    SharePoint Architecture on AZURE
The below Image describing high availability architecture for SharePoint, SQL Servers and AD DS VMs. Note that you can replace AD DS VMs by AZURE AD DS “Domain Controller as a Service”.
You can refer to this link for more details about AZURE AD DS


https://azurelessons.blogspot.com/2020/05/step-by-step-add-azure-active-directory.html






































2-    SQL Server Architecture on AZURE
You will need 3 servers one as a file share or quorum and two servers for Implementing SQL Server Always On.







































3-    Pre-requisites
a.     Global administrator privilege on AZURE tenant.
b.     Contributor/Owner privilege on AZURE subscription.
c.     AZURE Active Directory Domain Services either Self-Managed or DC as a service.
                                               i.     AZURE AD User for AZURE AD DS joining with global administrator privilege.
                                             ii.     VM for domain joining testing & managing users in AZURE AD DS.
d.     Site-To-Site VPN connection between On-Premise and AZURE.
4-    Implementation Steps
a.     Implement the following steps on Test environment then Production environment
                                               i.     Create two SQL Servers VMs and configure/enable Always On between the two VMs.
                                             ii.     Extend SQL Server Always Availability Groups on On-Premise to AZURE.
                                            iii.     Migrate SharePoint VMs to AZURE using AZURE Migrate.
                                            iv.     Test Failover of SharePoint VMs to a development VMs, then cutover on go live date.
                                              v.     Join SharePoint and SQL Server VMs to AZURE AD DS.
                                            vi.     Secure the application using AZURE Application Gateway.
                                           vii.     Test the application.
5-    Post Implementation Steps
a.     Decide and Implement Backup Policy for VMs and SQL Server on AZURE.
6-    Design considerations:
a.     For SQL Server & SharePoint VMs production environment we need to choose either:
                                               i.     Single Instance: Virtual Machine using premium storage for all Operating System Disks and Data Disks, AZURE guarantee you will have Virtual Machine Connectivity of at least 99.9%
                                             ii.     Availability Sets: VMs are deployed so that they are not all subject to a single point of failure and not all upgraded at the same time during a host operating system upgrade in the datacenter; it offers 99.95% VM uptime SLA.
                                            iii.     Availability Zones: protect from datacenter level failures and it offers 99.99% VM uptime SLA.

This table Inform about expected down time for each option to be able to decide which option you will choose
Availability %
Downtime per year
Downtime per month
Downtime per week
Downtime per day
99.9% ("three nines")
8.77 hours
43.83 minutes
10.08 minutes
1.44 minutes
99.95% ("three and a half nines")
4.38 hours
21.92 minutes
5.04 minutes
43.20 seconds
99.99% ("four nines")
52.60 minutes
4.38 minutes
1.01 minutes
8.64 seconds


References:

Step-by-Step Add AZURE Active Directory to your AZURE Subscription
https://azurelessons.blogspot.com/2020/05/step-by-step-add-azure-active-directory.html
Choose a solution for connecting an on-premises network to Azure
https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/hybrid-networking/
What is VPN Gateway?
https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-about-vpngateways
Tutorial: Create and configure an Azure Active Directory Domain Services instance
https://docs.microsoft.com/en-us/azure/active-directory-domain-services/tutorial-create-instance
Designing a SharePoint Server 2016 farm in Azure
https://docs.microsoft.com/en-us/SharePoint/administration/designing-a-sharepoint-server-2016-farm-in-azure
Deploying SharePoint Server 2016 with SQL Server Always On Availability Groups in Azure
https://docs.microsoft.com/en-us/SharePoint/administration/deploying-sharepoint-server-2016-with-sql-server-alwayson-availability-groups-in
Microsoft SharePoint Server 2016 Architectural Models
SharePoint2016ArchitecturalModels.pdf
Tutorial: Join a Windows Server virtual machine to a managed domain
https://docs.microsoft.com/en-us/azure/active-directory-domain-services/join-windows-vm#join-the-vm-to-the-azure-ad-ds-managed-domain
Prerequisites for creating Always on availability groups on SQL Server on Azure virtual machines
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sql/virtual-machines-windows-portal-sql-availability-group-prereq
Tutorial: Configure availability group on Azure SQL Server VM manually
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sql/virtual-machines-windows-portal-sql-availability-group-tutorial
Extend on-premises Always On Availability Groups to Azure
https://docs.microsoft.com/en-us/azure/virtual-machines/windows/sqlclassic/virtual-machines-windows-classic-sql-onprem-availability
Deploy Azure AD Domain Service and Join a Server to the Domain
https://www.youtube.com/watch?v=OQjK4gC89Xc
Run a highly available SharePoint Server 2016 farm in Azure
https://docs.microsoft.com/en-us/azure/architecture/reference-architectures/sharepoint/
Highly available SharePoint farm
https://docs.microsoft.com/en-us/azure/architecture/solution-ideas/articles/highly-available-sharepoint-farm
Prepare Azure for on-premises disaster recovery to Azure
https://docs.microsoft.com/en-us/azure/site-recovery/tutorial-prepare-azure
Migrate on-premises machines to Azure
https://docs.microsoft.com/en-us/azure/site-recovery/migrate-tutorial-on-premises-azure
Prepare on-premises VMware servers for disaster recovery to Azure
https://docs.microsoft.com/en-us/azure/site-recovery/vmware-azure-tutorial-prepare-on-premises

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