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How to Migrate VMware VMs to Azure (2): Assess Workloads

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After discovering your on-premises VMware workloads, the next step is to assess them for Azure migration readiness, costs estimates, and identify risks. This second part walks you through the steps to complete these tasks.

Overview of Workload Assessment

As I mentioned in my introduction, the purpose of running and assessing VMware VM workloads is to review their readiness for Azure migration, estimate costs, and identify risks.

The Azure Migrate assessment tool can evaluate your discovered workloads for Azure VM, Azure SQL, Web apps on Azure or Azure VMware Solutions migration. These 4 options are available from the Assess drop-down on the Azure Migrate project.

Overview of VMware Assessment

It goes without saying that assessment is performed on discovered VMware workloads. So, before proceeding with the steps in this guide, you must have completed part 1 of this series.

Meanwhile, you can perform an assessment on individual workloads. Alternatively, you can create groups to collect machines to assess and migrate together.

I like to create groups because it makes assessment and migration efficient.

Finally, you can run two types of assessments: as-is on-premises or performance-based. Performance-based assesement is recommended, so I usually run this assessment.

Task 1: Plan Assessment Grouping

Decide how you want to group servers for migration. The most common grouping is by operating system.

Alternatively, you can group servers by applications. Once you decide how to group VMware servers for migration, create a table with the group names and the VMware servers that belong to the group.

Task 2: Create Assessment Groups

  1. Sign in to Azure and open the Azure Migrate project: search for and open Azure Migrate, then expand Migration Tools and click Servers, databases, and web apps. The project you created in part 1 will be selected.
  2. Then, on the project details, click the number under Discovered servers.
  1. On the top left corner of the discovered servers list, click Create group.
On the top left corner of the discovered servers list, click Create group.On the top left corner of the discovered servers list, click Create group.
  1. On the Create group page, name the group and select the options shown in my screenshot below. Then, check all the servers you want to add to the group and click Create.
On the Create group page, name the group, then, select the options shown in my screenshot below. After that, check all the servers you want to add to the group ancd click Create.On the Create group page, name the group, then, select the options shown in my screenshot below. After that, check all the servers you want to add to the group ancd click Create.

After creating the group, stay on the Discovered Servers page.

I creating another group for my Linux (Ubuntu) servers.

Task 3: Run an Azure Migrate Assessment

  1. Click the Assess drop-down and click on the type of workload you want to assess. I’m assessing VMware VMs for migration to Azure VMs, so I’ll select Azure VM.
Click the Assess drop-down and click on the type of workload you want to assess.Click the Assess drop-down and click on the type of workload you want to assess.
  1. On the Basic page of the Create assessment wizard, confirm that Assessment type is Azure VM and Discovery source is Server discovered from Azure Migrate appliance. To modify the assessemnet settings, click the Edit button next to it.

On the Assessment settings use the second screen below as a guide. To read about these settings, visist the run an assessment section of the Microsoft guide.

On the Assessment settings use the second screen below as a guideOn the Assessment settings use the second screen below as a guide
  1. Then, on the Select Servers page, name the assessment, after that, under Select or create a group, choose Use existing and select the group you created in Task 2. To proceed, click Next, then review the new assement and click Create assessement to create it.
Then, on the Select Servers page, name the assessment, after that, under Select or create a group, choose Use existing and select the group you created in Task 2. To proceed, click Next. Then, on the Select Servers page, name the assessment, after that, under Select or create a group, choose Use existing and select the group you created in Task 2. To proceed, click Next.
Then, on the Select Servers page, name the assessment, after that, under Select or create a group, choose Use existing and select the group you created in Task 2. To proceed, click Next. Then, on the Select Servers page, name the assessment, after that, under Select or create a group, choose Use existing and select the group you created in Task 2. To proceed, click Next.

Task 4: Review the Assessment Results

The result of the Azure Migrate assessement allows you to review VMware VMs for readiness, estimate cost of hosting the VM in Azure and resolve any identified issues.

Follow the steps in the following sub-tasks to review your Azure Migrate assessement results.

Task 4.1: Review VM Readiness for Migration

  1. On the Servers, databases and web apps > Azure Migrate: Discovery and assessment page, click the number under Groups.
On the Servers, databases and web apps > Azure Migrate: Discovery and assessment page, click the number under Groups.On the Servers, databases and web apps > Azure Migrate: Discovery and assessment page, click the number under Groups.
  1. After that, click Assessments and then, the group name to open it. The assessement’s group overview page displays a summary of the categories.
After that, click Assessments and then, the group name to open it. After that, click Assessments and then, the group name to open it.
  1. To drill down to the Readiness category, click Azure readiness.
To drill dowmn to the Readiness category, click Azure readiness. To drill dowmn to the Readiness category, click Azure readiness.
  1. On the readiness page, you can view detailed information about recommended Azure VM size, other information about the VM.
On the readiness page, you can view detailed information about recommended Azure VM size, other information about the VM. On the readiness page, you can view detailed information about recommended Azure VM size, other information about the VM.

Task 4.2: Review Cost Estimates

  1. To review the cost assessement, click Cost details.
  1. Then, review the estimated cost of running each VM in Azure, including Hybrid benefits (if you selected this option when you created the assessment).

To review a detailed cost analysis of a VM, click on it. You can also export the results.

On the detailed analysis page of the VM I opened, Azure recommended using the Azure Migrate tool, stating, “ This machine is suitable for lift and shift migration to Azure.”

On the detailed analysis page of the VM I opened, Azure recommended using the Azure Migrate tool, stating, " This machine is suitable for lift and shift migration to Azure."On the detailed analysis page of the VM I opened, Azure recommended using the Azure Migrate tool, stating, " This machine is suitable for lift and shift migration to Azure."

Task 4.3: Review and Resolve Issues

If any VM’s status shows Ready with conditions, Not ready, or Readiness unknown, click those sub-categories, then click the VMs with issues and actions to take to fix the issues.

Alternatively, click the Resolve issues to display all issues and remediation actions. Then, to view the details of an issue, click on the link in the Affected object column.

Then, to view the details of an issue, click on the link in the Affected object columnThen, to view the details of an issue, click on the link in the Affected object column

Once you have analysed all your discovered VMware VM workloads, proceed to part 3 of this guide – run server dependency mapping.

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Victor Ashiedu

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