Azure DMS Hybrid (Preview) is helpful when you want to migrate from On-Premise SQL server to Azure and don’t have site-to-site connectivity between the both, also, if there is limited site-to-site connectivity bandwidth. Azure DMS Hybrid (Preview) uses a migration worker which is hosted On-Premise together with an instance of Azure DMS running in the cloud. You can use Azure Database Migration Service hybrid mode to migrate data from an on-premises instance of SQL Server to Azure SQL Database
Note:- The Azure Database Migration Service hybrid installer runs on Microsoft Windows Server 2012 R2, Window Server 2016, Windows Server 2019, and Windows 10.
Note:- The Azure Database Migration Service hybrid installer requires .NET 4.7.2 or later. To find the latest versions of .NET, see the Download .NET Framework page.
In this article we will be using Azure DMS Hybrid (preview) for online database migration from On-Premise to Azure Managed Instance. Below are the steps to perform the mentioned operation:
Any member of your directory (not guests) can register an application, otherwise known as creating an application object.
Registering an application allows any user to do the following:
For knowing who can add application on to Azure AD instance please refer https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-how-applications-ar...
For registering app in Azure Active directory:- Go to Azure active directory> App registration > New Registration
<drive>:\<folder>\Install>DMSWorkerBootstrap.exe -a GenerateCert
A certificate would get generated in the mentioned location.
14. Now upload the recently created certificate to Certificates & secrets of your application.
<drive>:\<folder>\Install>DMSWorkerBootstrap.exe -a Install -IAcceptDMSLicenseTerms -d
Once above command is successful you will see Database Migration Service status as Online.
For this go to your subscription > Access Control (IAM) > Add
Select “Contributor” role from the drop down and Select “search for your Application ID”
Go to your backup folder > right click – > Properties > Security > Edit > Add your On-Premise SQL Service and give read and write permission to it.
Note: - We also need give read/write permission to the windows account which will impersonate the DMS.
Note:- To get network share location go to your backup folder location > Right click- > Sharing > Share
Once migration has started check the status of the migration.
Once cutover is completed you can close the complete cutover window.
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