How to: Office 365 with Multi-factor authentication (MFA) for old Outlook Windows Manual Exchange Configuration

Old version of Microsoft Outlook does not work with Office 365 with MFA enabled, which will faill at sign in stage.

This Guide walk you through with proper configuration to make it work even for old vero of Outlook.

1 Logon to https://www.office.com

2 Open this link: https://portal.office.com/account/ (Or go to My account)

Office365.com -> Settings
Office365.com -> Settings

3 Click on Security & privacy -> Additional security verification -> Create and menagae app passwords

Office 365 -> My account -> Security & privacy
Office 365 -> My account -> Security & privacy

4 Create an App password, give it a proper name, copy the password save it for later use.

5 Open the Control Panel.

6 Type mail in search bar, click on search result

Control Panel -> Search bar
Control Panel -> Search bar

7 Click Email Accounts…

Mail Setup - Outlook
Mail Setup – Outlook

8 Click New…

Mail (Outlook) - Accout Settings
Mail (Outlook) – Accout Settings

9 Select Manual setup or additional server types, then click Next.

Mail (Outlook) -> Add Account
Mail (Outlook) -> Add Account

10 Select Microsoft Exchange Server or compatible service, then click Next.

Mail (Outlook) -> Add Account
Mail (Outlook) -> Add Account

11 Enter the following in the corresponding fields:

Server: outlook.office365.com

User Name: username

When finished, click More Settings

*Warning: Do not click the Check Name button at this step, or the configuration process will fail.

Mail (Outlook) -> Add Account
Mail (Outlook) -> Add Account

12 Click Security

Mail (Outlook) -> Microsoft Exchange
Mail (Outlook) -> Add Account

13 Uncheck Encrypt data between Microsoft Outlook and Microsoft Exchange.

Choose Anonymous Authentication from the Logon network security drop-down menu.

Mail (Outlook) -> Microsoft Exchange
Mail (Outlook) -> Microsoft Exchange

14 In the Connection tab, check Connect to Microsoft Exchange using HTTP, then click Exchange Proxy Settings…

Mail (Outlook) -> Microsoft Exchange
Mail (Outlook) -> Microsoft Exchange

15 In the Use this URL to connect to my proxy server for Exchange field, enter outlook.office365.com.

Mail (Outlook) -> Microsoft Exchange Proxy Settings
Mail (Outlook) -> Microsoft Exchange Proxy Settings

16 Check the Only connect to proxy servers that have this principal name on their certificate, then enter msstd:outlook.com in the associated text field.

Mail (Outlook) -> Microsoft Exchange Proxy Settings
Mail (Outlook) -> Microsoft Exchange Proxy Settings

17 Make following changes:

Check the On fast networks, connect using HTTP first then connect using TCP/IP box.

Select Basic Authentication from the Use this authentication when connecting to my proxy server for Exchange drop-down menu.

Mail (Outlook) -> Microsoft Exchange Proxy Settings
Mail (Outlook) -> Microsoft Exchange Proxy Settings

18 Click OK.

Mail (Outlook) -> Microsoft Exchange Proxy Settings
Mail (Outlook) -> Microsoft Exchange Proxy Settings

19 Click OK.

Mail (Outlook) -> Microsoft Exchange
Mail (Outlook) -> Microsoft Exchange

20 Click Check Name.

Mail (Outlook) -> Add Account
Mail (Outlook) -> Add Account

21 An authentication prompt will appear. Enter your [email protected] and password form step 4 in the corresponding fields, then click OK.

Windows Security - Login
Windows Security – Login

22 Click Next >.

23 Click Finish. Your account will be setup and you can open Outlook to begin using your Exchange account.

Mail (Outlook) -> Add Account
Mail (Outlook) -> Add Account

Windows 10 Azure AD – Something went wrong

“Your organization has deleted this device. To fix this, contact your system administrator and provide error code 700003”

Something went wrong -  Your organization has deleted this device. To fix this, contact your system administrator and provide error code 700003
Something went wrong – Your organization has deleted this device. To fix this, contact your system administrator and provide error code 700003

If you have encountered this error try following method:

1 Remove Work account from Windows 10

2 Sign out from Intune (If signed in)

3 Open command line or PowerShell window with Admin rights

4 Enter command: “dsregcmd /leave”

Command line windows with command -  dsregcmd /leave
Command line window with command – dsregcmd /leave

5 Enter command: “dsregcmd /status” to check if the system is now left the Azure AD

Command line windows with command -  dsregcmd /status
Command line window with command – dsregcmd /status

6 Try to sign in with Work account from Settings

Keywords: Windows 10, Azure AD, Azure Active Directory