This blog is Part 2 of a series about mapping a drive letter to your OneDrive account. In Part 1 of this series, I showed you how to map a drive letter to your OneDrive account when you are using standard security, and in this blog I will show you how to map a drive letter to your OneDrive account after you have enabled two-step verification for your account security. The process is largely similar, with the notable exception that you need to generate an application password which you will use when you are mapping the drive letter with the WebDAV Redirector.
A quick note about two-step verification: enabling this security feature adds an additional requirement so that you will need to use a secondary method to verify your identity when you are logging in. (For example, you can use a phone app, text message, or second email account.) However, you cannot use a secondary login method when you are using the WebDAV Redirector, so you will need to create an application password. (Note: More information about two-step verification for your Microsoft is available in the Two-step verification: FAQ.)
Step 1 - Log Into Your OneDrive Account
The first thing that you need to do is to browse to 
Your Customer ID is the value that is specified after the "cid=" in the URL; for example: "https://onedrive.live.com/?cid=426f62526f636b73". You will need this value when you map a drive letter.
Step 3 - Generate an Application Password
To map a WebDAV drive to your OneDrive account after you have enabled two-step account verification, you will need to generate an application password which you will use when you enter your credentials. (Note: More information about two-step verification can be found in the App passwords and two-step verification article.)
To generate an application password, you first need to log into your Microsoft account settings at 
Once you have logged in, click on Security & password and then Create a new app password:
When the app password page is displayed, copy the password for later:
Step 4 - Map the Drive Letter
Your next step is to map the drive letter, and there are a few ways to do this. I have documented several methods in my Using the WebDAV Redirector article on the IIS.net website, but I will show a few ways in this blog.
Method #1 - Using the Windows User Interface and Wizards
On most of my systems I have the Network and This PC or My Computer icons on my desktop, which makes it easy to simply right-click one of those icons and select Map network drive:
An alternate method on Windows 8 is to open This PC and Map network drive will be listed as an icon on the Windows Explorer ribbon:
Once the Map Network Drive Wizard appears, enter "https://d.docs.live.net/" followed by your Customer ID from Step 2. For example: "https://d.docs.live.net/426f62526f636b73/"
When the Windows Security dialog box appears, enter your email address that you used to log into your OneDrive account in Step 1 and the application password that you created in Step 3.
Once the mapping has been completed, you will be able to view your OneDrive files in Windows Explorer via the mapped drive:
Method #2 - Using the Windows Command Line
You can also map a WebDAV drive letter to your OneDrive account from a command line. The general syntax is listed below:
C:\>net use * https://d.docs.live.net/xxxxxxxxxxxxxxxx/ /user:"user@example.com" "password"
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For example:
C:\>net use * https://d.docs.live.net/426f62526f636b73/ /user:"bob@contoso.com" "426f62526f636b73"
C:\>dir
Volume in drive Z has no label.
Volume Serial Number is 0000-0000
Directory of Z:\
09/02/2014 10:38 PM <DIR> Applications
09/27/2014 08:43 AM <DIR> Blog Photos
09/29/2014 10:50 PM <DIR> Documents
08/17/2014 03:44 AM <DIR> Pictures
09/22/2014 05:58 PM <DIR> Public
09/29/2014 10:43 AM <DIR> SkyDrive camera roll
C:\>
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That wraps it up for Part 2 of this blog series - I hope this helps!
Note: This blog was originally posted at http://blogs.msdn.com/robert_mcmurray/