# MFA > Knowledge base documentation for MFA. ## v1 - [Enrolling A Smart Card](https://mfa.rapididentity.com/docs/enrolling-a-smart-card.md) - [Cached Credentials](https://mfa.rapididentity.com/docs/cached-credentials.md) - [Enrolling A Contactless Card](https://mfa.rapididentity.com/docs/enrolling-a-contactless-card.md) - [Enrolling Emergency Access (Question & Answer)](https://mfa.rapididentity.com/docs/enrolling-emergency-access.md) - [Enrolling A FIDO Token](https://mfa.rapididentity.com/docs/enrolling-a-fido-token.md) - [Enrolling Fingerprints](https://mfa.rapididentity.com/docs/enrolling-fingerprints.md) - [Enrolling PingMe / OTP](https://mfa.rapididentity.com/docs/enrolling-pingme.md) - [Enrolling Soft OTP Tokens](https://mfa.rapididentity.com/docs/enrolling-soft-otp-tokens.md) - [Reenroll User Credentials](https://mfa.rapididentity.com/docs/reenroll-user-credentials.md) - [SMS For OTP Authentication](https://mfa.rapididentity.com/docs/sms-for-otp-authentication.md) - [4.9.9.1 Server Release Notes](https://mfa.rapididentity.com/docs/4991-server-release-notes.md) - [Server Hotfix 4 Release Notes](https://mfa.rapididentity.com/docs/server-hotfix-4-release-notes.md) - [4.9.8.1 Server Hotfix 1 Release Notes](https://mfa.rapididentity.com/docs/4981-server-hotfix-1-release-notes.md) - [4.9.8.1 Server Release Notes](https://mfa.rapididentity.com/docs/4981-server-release-notes.md) - [4.9.8.1 Client Release Notes](https://mfa.rapididentity.com/docs/4981-client-release-notes.md) - [4.9.7.1 Server Release Notes](https://mfa.rapididentity.com/docs/4971-server-release-notes.md) - [4.9.7.1 Client Release Notes](https://mfa.rapididentity.com/docs/4971-client-release-notes.md) - [4.9.6.1 Server Release Notes](https://mfa.rapididentity.com/docs/4961-server-release-notes.md) - [4.9.6.1 Client Release Notes](https://mfa.rapididentity.com/docs/4961-client-release-notes.md) - [4.9.5.1 Server Release Notes](https://mfa.rapididentity.com/docs/4951-server-release-notes.md) - [4.9.5.1 Client Release Notes](https://mfa.rapididentity.com/docs/4951-client-release-notes.md) - [4.9.4.6 Server Release Notes](https://mfa.rapididentity.com/docs/4946-server-release-notes.md) - [4.9.4.1 Client Release Notes](https://mfa.rapididentity.com/docs/4941-client-release-notes.md) - [User Removal Tool](https://mfa.rapididentity.com/docs/user-removal-tool.md): A tool that can be used to remove cached user data from the MFA client. - [ActiveX Settings For Internet Explorer](https://mfa.rapididentity.com/docs/activex-settings-for-internet-explorer.md): For the Active Directory Lookup Tool or ability to scan RFID cards from the browser portal to work, the following settings will need to be enabled in your Internet Options. - [Clear Cached Credentials From Client](https://mfa.rapididentity.com/docs/clear-cached-credentials-from-client.md) - [IE Compatibility Mode for Edge](https://mfa.rapididentity.com/docs/ie-compatibility-mode-for-edge.md) - [MFA Domain Password Synchronization](https://mfa.rapididentity.com/docs/mfa-domain-password-synchronization.md): This troubleshooting article explains how passwords are synchronized between Active Directory and Identity Automation's RapidIdentity MFA. - [MFA With The Windows UAC Prompt](https://mfa.rapididentity.com/docs/mfa-with-the-windows-uac-prompt.md) - [No Licenses Available Error](https://mfa.rapididentity.com/docs/no-licenses-available-error.md) - [RDP Sessions + MFA Client Software](https://mfa.rapididentity.com/docs/rdp-sessions-mfa-client-software.md) - [Reset Or Unblock A PIN](https://mfa.rapididentity.com/docs/reset-unblock-pin.md) - [Self-Service Portal](https://mfa.rapididentity.com/docs/mfa-self-service-portal.md) - [User Name Change](https://mfa.rapididentity.com/docs/user-name-change.md) - [MFA Server Upgrade Information](https://mfa.rapididentity.com/docs/mfa-server-upgrade-information.md) - [MFA Server Key Backup](https://mfa.rapididentity.com/docs/mfa-server-key-backup.md) - [MFA Server Migration Information & Process](https://mfa.rapididentity.com/docs/mfa-server-migration-info-and-process.md) - [MFA Server Requirements](https://mfa.rapididentity.com/docs/mfa-server-requirements.md) - [Identifying Current MFA Server Version](https://mfa.rapididentity.com/docs/identifying-current-mfa-server-version.md) - [Installing IIS](https://mfa.rapididentity.com/docs/installing-iis.md) - [Installing SQL Server](https://mfa.rapididentity.com/docs/installing-sql-server.md) - [MFA Client Requirements](https://mfa.rapididentity.com/docs/mfa-client-requirements.md) - [MFA Client Standard Installation](https://mfa.rapididentity.com/docs/mfa-client-standard-installation.md) - [MFA Client .MSI Installation](https://mfa.rapididentity.com/docs/mfa-client-msi-installation.md) - [Uninstall The MFA Client](https://mfa.rapididentity.com/docs/uninstall-the-mfa-client.md) - [Always Online Mode](https://mfa.rapididentity.com/docs/always-online-mode.md) - [Configuring Contactless Card Behavior](https://mfa.rapididentity.com/docs/configuring-contactless-card-behavior.md) - [MFA Server Failover](https://mfa.rapididentity.com/docs/how-to-configure-mfa-server-failover.md): This troubleshooting article explains how to configure failover from Identity Automation's RapidIdentity MFA Server/Sync tab. - [Policy Settings & Client Registry Values](https://mfa.rapididentity.com/docs/policy-and-registry-values.md) - [Risk-Based Authentication](https://mfa.rapididentity.com/docs/risk-based-authentication.md) - [Set Up A FIDO Token Profile](https://mfa.rapididentity.com/docs/set-up-fido-token-profile.md) - [Set Up An Enrollment Station](https://mfa.rapididentity.com/docs/set-up-an-enrollment-station.md) - [Single-User Shared Workstation](https://mfa.rapididentity.com/docs/single-user-shared-workstation.md) - [Username & Password Tile](https://mfa.rapididentity.com/docs/username-password-tile.md) - [Smart Card Setup Overview](https://mfa.rapididentity.com/docs/smart-card-setup-overview.md) - [Active Directory Service Account Setup](https://mfa.rapididentity.com/docs/active-directory-service-account-setup.md) - [Certificate Template Setup](https://mfa.rapididentity.com/docs/certificate-template-setup.md) - [IIS Configuration for PKI](https://mfa.rapididentity.com/docs/iis-configuration-for-pki.md) - [Smart Card Default Key](https://mfa.rapididentity.com/docs/smart-card-default-key.md) - [Create A Smart Card Certificate Set](https://mfa.rapididentity.com/docs/create-a-smart-card-certificate-set.md) - [Create A Smart Card Authentication Set](https://mfa.rapididentity.com/docs/create-a-smart-card-authentication-set.md) - [MFA + RADIUS Setup Overview](https://mfa.rapididentity.com/docs/mfa-radius-setup-overview.md): The RADIUS features and settings that are needed for RapidIdentity MFA. - [User Reports](https://mfa.rapididentity.com/docs/user-reports.md) - [Audit Logs](https://mfa.rapididentity.com/docs/audit-logs.md) - [Cross Role Permissions](https://mfa.rapididentity.com/docs/cross-role-permissions.md) - [Card Lookup](https://mfa.rapididentity.com/docs/card-lookup.md) - [Auto-Login to Admin Portal](https://mfa.rapididentity.com/docs/auto-login-to-admin-portal.md) - [Bulk Migrate](https://mfa.rapididentity.com/docs/bulk-migrate.md) - [Connecting To SMTP](https://mfa.rapididentity.com/docs/connecting-to-smtp.md) - [Customize RapidIdentity Messaging](https://mfa.rapididentity.com/docs/customize-rapididentity-messaging.md) - [Customize The RapidIdentity App](https://mfa.rapididentity.com/docs/customizing-the-rapididentity-app.md) - [Creating An Authentication Set](https://mfa.rapididentity.com/docs/creating-an-authentication-set.md) - [Create A Custom Role](https://mfa.rapididentity.com/docs/create-a-custom-role.md) - [Creating An MFA Client Policy](https://mfa.rapididentity.com/docs/creating-an-mfa-client-policy.md) - [Creating A PIN Policy](https://mfa.rapididentity.com/docs/creating-a-pin-policy.md) - [Deleting A User](https://mfa.rapididentity.com/docs/deleting-a-user.md) - [Delete OTP Tokens](https://mfa.rapididentity.com/docs/deleting-otp-tokens.md) - [TLS 1.2 and UseStrongCrypto](https://mfa.rapididentity.com/docs/server-config-tls12.md) - [New Users](https://mfa.rapididentity.com/docs/new-users.md) - [SMS For OTP Setup](https://mfa.rapididentity.com/docs/sms-for-otp-setup.md) - [SSL Configuration For The MFA Server](https://mfa.rapididentity.com/docs/ssl-mfa-configuration.md): How to set FQDN for the web.config file in RapidIdentity MFA for PingMe functionality. - [Update The Apple Push Certificate](https://mfa.rapididentity.com/docs/update-apple-push-certificate.md): How to update a Push Certificate for RapidIdentity MFA. - [Updating Your MFA Portal URL](https://mfa.rapididentity.com/docs/updating-your-mfa-portal-url.md) - [User Information Page](https://mfa.rapididentity.com/docs/user-information-page.md) - [Upload MFA License Key](https://mfa.rapididentity.com/docs/upload-mfa-license-key.md) - [Upload OTP Tokens](https://mfa.rapididentity.com/docs/otp-upload-and-enrollment.md) - [Enabling MFA Client Logs](https://mfa.rapididentity.com/docs/enabling-mfa-client-logs.md): How to enable MFA Client Logs in the Identity Automation Healthcare offering. - [Enabling MFA Server Logs](https://mfa.rapididentity.com/docs/enabling-mfa-server-logs.md) - [Enabling MFA Push Logs](https://mfa.rapididentity.com/docs/enabling-mfa-push-logs.md) - [Enabling Mobile App Logs](https://mfa.rapididentity.com/docs/enabling-mobile-app-logs.md) - [Sending RapidIdentity Mobile App Logs](https://mfa.rapididentity.com/docs/sending-rapididentity-mobile-app-logs.md) - [Enabling Custom Errors For Admin Portal Troubleshooting](https://mfa.rapididentity.com/docs/enabling-custom-errors-for-admin-portal-troubleshooting.md) - [Card Not Registered Error](https://mfa.rapididentity.com/docs/card-not-registered-error.md) - [Cannot Scan Fingerprints To Non-Cached Client](https://mfa.rapididentity.com/docs/cannot-scan-fingerprints-to-non-cached-client.md) - [Continuously Prompted For PIN](https://mfa.rapididentity.com/docs/continuously-prompted-for-pin.md) - [Method is Disabled by Policy Error](https://mfa.rapididentity.com/docs/method-is-disabled-by-policy-error.md) - [Mobile App Not Working](https://mfa.rapididentity.com/docs/mobile-app-not-working.md) - [SCIgnoreReaders For Internal Readers](https://mfa.rapididentity.com/docs/scignorereaders-for-internal-readers.md) - [Smart Card Certificate Revoked Error](https://mfa.rapididentity.com/docs/smart-card-certificate-revoked-error.md) - [User Cannot Use The Enrollment Tile](https://mfa.rapididentity.com/docs/user-cannot-use-the-enrollment-tile.md) - [Username/Password Tile Not Disappearing](https://mfa.rapididentity.com/docs/usernamepassword-tile-not-disappearing.md) - [Authentication Issues With RADIUS](https://mfa.rapididentity.com/docs/authentication-issues-with-radius.md) - [Clients Policy Will Not Delete From Portal](https://mfa.rapididentity.com/docs/clients-policy-will-not-delete-from-portal.md) - [Error Connecting To Smart Card](https://mfa.rapididentity.com/docs/error-connecting-to-smart-card.md) - [Incorrect .DLL Path For RADIUS](https://mfa.rapididentity.com/docs/incorrect-dll-path-for-radius.md) - [Trial Period Expired Error](https://mfa.rapididentity.com/docs/trial-period-expired-error.md) - ["Your Request Cannot Be Processed" Error](https://mfa.rapididentity.com/docs/your-request-cannot-be-processed-error.md) - [PingMe Session Timeout](https://mfa.rapididentity.com/docs/pingme-session-timeout.md)