TOTPRadius Virtual Appliance - Download
Download & Install
TOTPRadius is now provided as a standard OVA file and an exported VM format for Microsoft Hyper-V. This ensures compatibility with a wide range of deployment scenarios. The virtual appliance supports Microsoft Hyper-V, XCP-NG, and other hypervisors that accept OVA imports. The appliance is free to use with up to 5 users. To increase the number of allowed users, you will need to obtain a license. You can download the appliance using the links below:
For hypervisors or deployment scenarios requiring additional customization, please contact us for assistance.
About
Installation and configuration
- Installation and initial configuration
- Network configuration
- Migrating from older versions
- LDAP Configuration
- Azure AD Configuration
- Self-service enrollment portal
- Web and LDAPS Certificates
- Syslog configuration
- Single-factor authentication exceptions
- Slave appliance mode
- Dynamic RADIUS Attributes
Integration guides
Blog
04-04-2026
Understanding FIDO User Verification Modes and the always_uv Setting
Token2 R3.3 and later FIDO2 keys enforce user verification by default with always_uv = true, improving security, though some platforms and apps like Windows 10, macOS, and certain legacy clients may fail to handle this override correctly.
05-03-2026
Introducing TOTPVault — self-hosted TOTP management for teams
Most TOTP apps work by distributing copies of the secret to every person who needs access — fine for personal accounts, but for shared service accounts it means MFA secrets scattered across people's phones with no clean way to revoke access when someone leaves.
21-12-2025
Android, NFC, and the Missing Piece of WebAuthn
For years, Android users have faced a frustrating limitation—Android does not support CTAP2 over NFC. This means no PIN verification and no discoverable credentials (passkeys) when using NFC, and therefore limited to simple U2F-style flows without user verification. That said, there finally seems to be a solution.