[Azure] Calculate the cost to migrate your DC to Azure

Posted by Florent Appointaire on January 17, 2020

planning toolkit

Microsoft released a tool to calculate the TCO (Total Cost of Ownership). This tool is an online platform, that you can access from here:

This tool can be used manually, by providing information of servers manually, of semi-automatically, by using the MAP tool:

The last version released in November 2018, will help us to do an assessment, of Online servers.

To start, launch the software on a server and choose to create an inventory database:

Launch the software on a server and choose to create an inventory database

Click on Perform an inventory to start the wizard to do the inventory of your servers:

Perform an inventory

A new window will appear. Choose which kind of servers you want to asset. These servers will be asset to move to Azure:

Choose which kind of servers you want to asset

Select the method to discover computer, Active Directory for example:

Select the method to discover computer

Provide a credential that has permissions to connect to the Active Directory to scan computer objects:

Provide a credential

Select which OU you want to scan in your Active Directory:

Select OU

Provide a username that has the right to connect to the computer that has been scanned, through WMI (local admin of each computer for example) or other, depending on computer that you want to scan:

Provide a username

Add each account with each technology:

Add account

If you use specific credentials for specific group of computers, provide the order:

Provide the order

Click on Finish to start the assessment:


The assessment is in progress:

The assessment is in progress

When the assessment is done, you can close the window:

The assessment is done

On the MAP window, click on Environment:


Double click on Inventory Results:

Inventory Results

On the new window, click on Generate Inventory Result Report:

Generate Inventory Result Report

It will generate an Excel report, that we will use with the TCO calculator.

TCO calculator

Now, navigate to the TCO calculator website:

Before it was possible to do bulk import, but with the new version, it’s not possible anymore, when I’m writing this post. You need to enter manually all of your servers… If you’ve a lot of servers, it can take a lot of time to do it. So for me, I’ve:

Define your workloads

On the next screen, choose your currency, if you’ve SA, if you want to use GRS storage, if you want to remove B series VM, etc. Here is the result for my environment:

Choose your currency


Total costs

Cost summary

A screenshot of a cell phone Description automatically generated

You can print the report, share it, or save it to your Microsoft account if you would like to modify it later.

This tool is very interesting to do a quick assessment and to have an equivalent on Azure. But, be careful with the cost saving estimation provided by Microsoft. In fact, it depends of the server that you want, the country where there are, etc… In my example, my On Prem VMs are running on an Intel Nuc, and I don’t have 1000€ of electricity every year for this NUC 🙂

So use this tool to have a good overview of the price on Azure, but compare with the real value that you’ve in your datacenter.

And of course, with bulk import it should be easier to use it in the future.

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