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Outlook Web Access (OWA) Single Sign-On SSO

OWA SSO (Single Sign-On) solution by miniOrange provides SSO to your Outlook Web Access Application and exchange server for secure SSO login. With OWA SSO configuration your users will be able to login to Outlook Web Access with your existing IDP credentials. miniOrange’s Outlook web access SSO provides IDP integration with ADFS, Okta, Onelogin, Microsoft Azure Active Directory, AWS Cognito etc. You can also connect with Active Directory, LDAP, Google or use miniOrange as your directory in the cloud. We support multiple protocols like SAML,OAuth, LDAP, OIDC etc.

miniOrange and Outlook Web Access (OWA) Single Sign-On (SSO) integration supports the following features:

  • SP Initiated Single Sign-On (SSO)
  • IdP Initiated Single Sign-On (SSO)

Connect with External Source of Users

miniOrange provides user authentication from various external sources, which can be Directories (like ADFS, Microsoft Active Directory, Azure AD, OpenLDAP, Google, AWS Cognito etc), Identity Providers (like Shibboleth, Ping, Okta, OneLogin, KeyCloak), Databases (like MySQL, Maria DB, PostgreSQL) and many more.

Follow the Step-by-Step Guide given below for Outlook Web Access (OWA) Single Sign-On (SSO)

1. Configure Exchange Gateway in miniOrange IdP

  1. Login into miniOrange dashboard from the Admin Console.
  2. From the left side menu, click on Apps → Manage Apps.
  3. OWA Exchange Single Sign-On (SSO) manage apps

  4. Click on Add Applicaton button.
  5. Outlook Web Access Single Sign-On (SSO) add app

  6. In choose application type, click on create app button in SAML/WS-FED application type.
  7. OWA SSO choose app type

  8. In the next step, search for your application from the list, if your application is not found. Search for "custom" and you can set up your app via Custom SAML App.
  9. Outlook Web Access Exchange Single Sign-On select SAML tab

  10. Configure Basic Settings for App:
    1. Custom Application Name: App name you like to provide. E.g. Custom SAML App.
    2. SP Entity ID or Issuer: Enter SP Entity ID / Issuer that would uniquely identify the Exchange Gateway.
      Note that the same value would need to be configured in the Exchange Gateway in the next steps.
    3. ACS URL: Enter ACS (Assertion Consumer Service) URL in the following format:
      https://myhost/exchangegateway/login.php, where https://myhost is the hostname of the server hosting the Exchange Gateway.
    OutlookAdd Application

  11. Configure Attribute Mapping:
    1. Select the attribute name with which you want to log in your application in Name ID field from the dropdown.
      eg. Username, Email, etc.
    2. Enter Name ID format such as E-mail address, nameid, etc in Name ID Format.
    3. Attributes can be mapped using the Add Attribute tab.
    4. Add attributes such as Email, Full name, etc. with its corresponding value as per shown in image.
    5. Multiple attributes can be added using icons.
    Outlook Setup Name ID and Attributes

  12. Create an appropriate policy for the SAML Application.
    1. Group Name : Select an appropriate Group Name from the dropdown.
    2. Policy Name: Policy name you like to provide.
    3. Login Method: Select Appropriate method from the dropdown.
    OWA Single Sign-On (SSO) set Policy for the SAML Application

  13. Click on Save.
  14. To upload respective app logo for a Custom SAML App, click on Upload Logo tab.
  15. Palo Alto Networks Single Sign-On (sso) Updload Logo

  16. Click on Save.

2. Configure miniOrange Exchange Gateway


    1. PHP >=5.4: Official PHP installation guide
    2. PHP LDAP Extension: Quick miniOrange guide to enable php-ldap extension
    3. OpenSSL libraries
    4. PHP DOM extension
    5. Setup miniOrange Exchange Gateway
      • Download Exchange Gateway. It can be deployed on any web server(Apache/IIS) on any OS.
      • Extract the zip file in the web applications directory (/var/www/html for Linux or c:\inetpub\wwwroot IIS on WIndows servers)

      Configure AD/LDAP Connection for Exchange Gateway (LdapUtils.php) :

      • Configure server_name, ldap_bind_dn, ldap_bind_password, search_filter, search_base attributes.

      Outlook Exchange Gateway SSO settings

      Configure miniOrange as IdP for the Exchange Gateway (SamlConstants.php) :

      • From the SAML app created in the 1st step, go to metadata details.
      • OWA Exchnage Gateway Metadata details

      • Choose ‘Information required to authenticate VIA External IDPS’.
      • Update SAML Login URL, SAML Logout URL, X.509 Certificate, IdP Entity ID or Issuer in SamlConstants.php file from the above metadata details.
      • OWA SSO Metadata details

      Configure Exchange/OWA as application on Exchange Gateway (WsFedConstants.php)

      • Configure OWA/ECP base URL here.

      • Outlook URL: https://Exchange Base URL/owa

      • Exchange Control Panel URL: https://Exchange Base URL/ecp

      • Outlook Web Access SSO login Metadata details

3. Configure Exchange / OWA for Sign-On using miniOrange and Exchange Gateway

  1. Add Signing certificate (obtained in above step) to the Trusted People store on the Client Access Server using the steps below:
    • Open WsFedConstants.php copy the public key certificate into a new file and name it exchange-gateway.crt
    • Got to Management Console. Open run dialog (Win + R) and type mmc and press enter.
    • In Management Console, go to File > Add or Remove Snap-ins (Ctrl + M).
    • Search for Certificates on the left side and press Add.
    • In the Certificate Snap In window, select Computer account and press Next. Then select Local Computer and press Finish.
    • You will see an entry for Certificates (Local Computer) in the right pane. Click OK to close the Add or Remove Snap-ins window.
    • You will see a branch named Certificates created under Console Root. Expand the Certificates branch and select Trusted People.
    • Right click on Trusted People > Find > Import and click on Next.
    • Choose the location of the exchange-gateway.crt file you created above and click on Next, again Next and Finish.
    • You have successfully added a Signing Certificate to Trusted People. Now close Management Console and choose No on the Save data prompt.
  1. Execute the commands on the Client Access Server using the Exchange Management Shell.

    $uris=@("https://##Base URL##/owa/","https:///##Base URL##/ecp/","https:///##Base URL##/owa","##Base URL##/ecp")
  2. In the above command, ##Base URL## is the exchange/OWA host. The command has both URLs: One ending in / and the other one which does not contain a trailing slash.

    Set-OrganizationConfig -AdfsIssuer "https://##Exchange Gateway Host##/exchangegateway/login.php" -AdfsAudienceUris $uris -AdfsSignCertificateThumbprint ##Cert Thumbprint##

  3. In the above command, ##Exchange Gateway URL## is the host name of the Exchange Gateway. The Cert Thumbprint is the SHA-1 thumbprint of the certificate you created above (exchange-gateway.crt) in the Exchange Gateway (in the includes directory).

    Get-EcpVirtualDirectory | Set-EcpVirtualDirectory -AdfsAuthentication $true -BasicAuthentication $false -DigestAuthentication $false -FormsAuthentication $false -WindowsAuthentication $false

    Get-OwaVirtualDirectory | Set-OwaVirtualDirectory -AdfsAuthentication $true -BasicAuthentication $false -DigestAuthentication $false -FormsAuthentication $false -WindowsAuthentication $false -OAuthAuthentication $false

    # Restart w3svc and was
    net stop was /y
    net start w3svc

4. Test SSO Configuration

  1. Login to your OWA account.
  2. You will be redirected to miniOrange IdP Sign On page.
  3. Outlook Web Access Single Sign-On (SSO) Login

  4. Enter your miniOrange login credential and click on Login. You will be automatically logged in to your account.

5. Configure Your User Directory (Optional)

miniOrange provides user authentication from various external sources, which can be Directories (like ADFS, Microsoft Active Directory, Azure AD, OpenLDAP, Google, AWS Cognito etc), Identity Providers (like Okta, Shibboleth, Ping, OneLogin, KeyCloak), Databases (like MySQL, Maria DB, PostgreSQL) and many more. You can configure your existing directory/user store or add users in miniOrange.

  • To add your users in miniOrange there are 2 ways:
  • 1. Create User in miniOrange

    • Click on Users >> Add User.
    • Outlook VPN 2FA : Add user in miniOrange

    • Here, fill the user details without the password and then click on the Create User button.
    • Outlook MFA: Add user details

    • After successful user creation a notification message "An end user is added successfully" will be displayed at the top of the dashboard.
    • Outlook Two-Factor Authentication: Add user details

    • Click on On Boarding Status tab. Check the email, with the registered e-mail id and select action Send Activation Mail with Password Reset Link from Select Action dropdown list and then click on Apply button.
    • Outlook 2FA: Select email action

    • Now, Open your email id. Open the mail you get from miniOrange and then click on the link to set your account password.
    • On the next screen, enter the password and confirm password and then click on the Single Sign-On (SSO) reset password button.
    • Outlook Multi-Factor Authentication: Reset user password
    • Now, you can log in into miniOrange account by entering your credentials.

    2. Bulk Upload Users in miniOrange via Uploading CSV File.

    • Navigate to Users >> User List. Click on Add User button.
    • Outlook 2FA: Add users via bulk upload

    • In Bulk User Registration Download sample csv format from our console and edit this csv file according to the instructions.
    • Outlook Two-Factor authentication: Download sample csv file

    • To bulk upload users, choose the file make sure it is in comma separated .csv file format then click on Upload.
    • Outlook 2FA : Bulk upload user

    • After uploading the csv file successfully, you will see a success message with a link.
    • Click on that link you will see list of users to send activation mail. Select users to send activation mail and click on Send Activation Mail. An activation mail will be sent to the selected users.
  • On miniOrange dashboard left side menu, click on User Stores >> Add User Store.
  • Outlook 2FA: Configure User Store

  • Select User Store type as AD/LDAP.
  • Outlook 2FA: Select AD/LDAP as user store

    1. STORE LDAP CONFIGURATION IN MINIORANGE: Choose this option if you want to keep your configuration in miniOrange. If active directory is behind a firewall, you will need to open the firewall to allow incoming requests to your AD.
    2. STORE LDAP CONFIGURATION ON PREMISE: Choose this option if you want to keep your configuration in your premise and only allow access to AD inside premises. You will have to download and install miniOrange gateway in your premise.
    3. Outlook Two-Factor Authentication : Select ad/ldap user store type

  • Enter LDAP Display Name and LDAP Identifier name.
  • Select Directory Type as Active Directory.
  • Enter the LDAP Server URL or IP Address against LDAP Server URL field.
  • Click on Test Connection button to verify if you have made a successful connection with your LDAP server.
  • Outlook MFA/2FA: Configure LDAP server URL Connection

  • In Active Directory, go to the properties of user containers/OU's and search for Distinguished Name attribute.
  • Outlook MFA: Configure user bind account domain name

  • Enter the valid Bind account Password.
  • Click on Test Bind Account Credentials button to verify your LDAP Bind credentials for LDAP connection.
  • Outlook MFA: Check bind account credentials

  • Search Base is the location in the directory where the search for a user begins. You will get this from the same place you got your Distinguished name.
  • Outlook 2FA : Configure user search base

  • Select a suitable Search filter from the drop down menu. To use custom Search Filter select "Custom Search Filter" option and customize it accordingly.
  • Outlook MFA/2FA : Select user search filter

  • You can also configure following options while setting up AD. Enable Activate LDAP in order to authenticate users from AD/LDAP. Click on the Save button to add user store.
  • Outlook MFA : Activate LDAP options

    Here's the list of the attributes and what it does when we enable it. You can enable/disable accordingly.

    Attribute Description
    Activate LDAP All user authentications will be done with LDAP credentials if you Activate it
    Sync users in miniOrange Users will be created in miniOrange after authentication with LDAP
    Backup Authentication If LDAP credentials fail then user will be authenticated through miniOrange
    Allow users to change password This allows your users to change their password. It updates the new credentials in your LDAP server
    Enable administrator login On enabling this, your miniOrange Administrator login authenticates using your LDAP server
    Show IdP to users If you enable this option, this IdP will be visible to users
    Send Configured Attributes If you enable this option, then only the attributes configured below will be sent in attributes at the time of login

  • Click on Save. After this, it will show you the list of User stores. Click on Test Configuration to check whether you have enter valid details. For that, it will ask for username and password.
  • Outlook 2FA: Test AD/Ldap connection

  • On Successful connection with LDAP Server, a success message is shown.
  • Click on Test Attribute Mapping.
  • Outlook LDAP successful connection

  • Enter a valid Username. Then, click on Test. Mapped Attributes corresponding to the user are fetched.
  • Outlook MFA: Fetch mapped attributes for user

  • After successful Attribute Mapping Configuration, go back to the ldap configuration and enable Activate LDAP in order to authenticate users from AD/LDAP.
  • Refer our guide to setup LDAPS on windows server.

    User Import and Provisioning from AD

  • Go to Settings in the Customer Admin Account.
  • MFA/Two-Factor Authentication(2FA) for   miniOrange dashboard

  • Enable the "Enable User Auto Registration" option and click Save.
  • MFA/Two-Factor Authentication(2FA) for   Enable User Auto Registration

  • (Optional) To send a welcome email to all the end users that will be imported, enable the "Enable sending Welcome Emails after user registration" option and click Save.
  • MFA/Two-Factor Authentication(2FA) for   Enable sending Welcome Emails after user registration

  • From the Left-Side menu of the dashboard select Provisioning.
  • MFA/Two-Factor Authentication(2FA) for   User Sync/Provisioning

  • In Setup Provisioning tab select Active Directory in the Select Application Drop Down.
  • Toggle the Import Users tab, click on Save button.
  • MFA/Two-Factor Authentication(2FA) for   User Sync Active Directory Configuration

  • On the same section, switch to Import Users section.
  • Select Active Directory from the dropdown and click on the Import Users tab, to import all the users from Active Directory to miniOrange.
  • MFA/Two-Factor Authentication(2FA) for   User Sync Import Operation

  • You can view all the Users you have imports by selecting Users >> User List from Left Panel.
  • MFA/Two-Factor Authentication(2FA) for   User List

  • All the imported users will be auto registered.
  • These groups will be helpful in adding multiple 2FA policies on the applications.

miniOrange integrates with various external user sources such as directories, identity providers, and etc.

Not able to find your IdP or Need help setting it up?

Contact us or email us at idpsupport@xecurify.com and we'll help you setting it up in no time.

6. Adaptive Authentication with Outlook

A. Restricting access to Outlook with IP Blocking

    You can use adaptive authentication with Outlook Single Sign-On (SSO) to improve the security and functionality of Single Sign-On. You can allow a IP Address in certain range for SSO or you can deny it based your requirements and you can also challenge the user to verify his authenticity. Adaptive authentication manages the user authentication bases on different factors such as Device ID, Location, Time of Access, IP Address and many more.

    You can configure Adaptive Authentication with IP Blocking in following way:
  • Login to Self Service Console >> Adaptive Authentication.
  • Add a Policy Name for your Adaptive Authentication Policy.
  • Outlook Single Sign-On (SSO) Restrict Access adaptive authnetication policy

  • Select your Action for behaviour Change and Challenge Type for user from the Action for behaviour Change Section.
  • Outlook Single Sign-On (SSO) Restrict Access adaptive authentication behaviour change

    Action for behaviour Change Options :

    Attribute Description
    Allow Allow user to authenticate and use services if Adaptive authentication condition is true.
    Challenge Challenge users with one of the three methods mentioned below for verifying user authenticity.
    Deny Deny user authentications and access to services if Adaptive authentication condition is true.

    Challenge Type Options :

    Attribute Description
    User second Factor The User needs to authenticate using the second factor he has opted or assigned for such as
  • OTP over SMS
  • PUSH Notification
  • OTP over Email
  • And 12 more methods.
  • KBA (Knowledge-based authentication) The System will ask user for 2 of 3 questions he has configured in his Self Service Console. Only after right answer to both questions user is allowed to proceed further.
    OTP over Alternate Email User will receive a OTP on the alternate email he has configured threw Self Service Console. Once user provides the correct OTP he is allowed to proceed further.

  • Now Enable Enable IP Restriction option from the IP RESTRICTION CONFIGURATION section to configure custom IP range.
  • Outlook Single Sign-On (SSO) Restrict Access adaptive authentication ip blocking

  • Select the Action you want to perform if the IP address is out of the range. i.e. Allow, Challenge & Deny.
  • Specify the IP Address range for which you want above setting to reflect. You can add more than one IP Address ranges by clicking on following button +.
  • Scroll to the end and click on save.

B. Adaptive Authentication with Limiting number of devices.

    Using Adaptive Authentication you can also restrict the number of devices the end user can access the Services on. You can allow end users to access services on a fixed no. of devices. The end users will be able to access services provided by us on this fixed no. of devices.

    You can configure Adaptive Authentication with Device Restriction in following way

  • Login to Self Service Console >> Adaptive Authentication.
  • Add a Policy Name for your Adaptive Authentication Policy.
  • Select your Action for behaviour Change and Challenge Type for user from the Action for behaviour Change Section.
  • Outlook Single Sign-On (SSO) Restrict Access adaptive authentication behaviour and challenge type

  • Scroll down to Device Configuration section and enable Allow User to Register Device option to allow users to register their devices.
  • Enter the Number of Devices which are allowed to register in field next to Number of Device Registrations Allowed
  • Choose Action if number of devices exceeded (This will override your setting for Action for Behaviour Change.)
    1. Challenge: The user needs to verify himself using any of the three methods mentioned in table in step 6.1
    2. Deny : Deny users access to the system
  • Enable option Send email alerts to Users if number of Device registrations exceeded allowed count if you want to alert the user about no of devices exceeding the limit. Save the configuration.
  • Outlook Single Sign-On (SSO) Restrict Access adaptive authentication enable device restriction

C. Add Adaptive Authentication policy to Outlook.

  • Login to Self Service Console >> Policies.
  • Click on Edit option for predefined SAML app policy.
  • Outlook Single Sign-On (sso) edit device restriction policy

  • Set your application name in the Application and select password as Login Method.
  • Enable Adaptive Authentication on Policy page and select the required restriction method as an option.
  • From Select Login Policy dropdown select the policy we created in last step and click on save.
  • Outlook Single Sign-On (SSO) Restrict Access save device restriction policy

    How to add a trusted Device
    1. When End-user log in to the self service console after the policy for device restriction is on, he is provided the option to add the current device as a trusted device.

External References

Our Other Identity & Access Management Products