Cm2 Dongle Manager 1.81 May 2026

Cause: Corrupted .NET Framework or missing VC++ redistributables.

Solution:

Cause: USB selective suspend disconnects the dongle during sleep.

Solution:

The CM2 network bridge driver (v1.81) can clash with virtual machine host-only adapters.

Solution: Re-run the installer, choose Custom, and uncheck "CM2 Virtual Network Adapter". The USB-only mode retains full functionality.

As of 2026, version 1.81 is considered a legacy release. Newer versions (2.0 and above) have been released, but 1.81 remains in use for specific reasons:

| Aspect | CM2 Dongle Manager 1.81 | Version 2.3+ | | :--- | :--- | :--- | | OS Support | Windows 7 to 10 (1909) | Windows 10/11, Linux, macOS | | File Size | 48 MB | 120 MB | | GUI | WinForms (lightweight) | WPF / Electron (heavier) | | Cloud Sync | No | Yes (optional) | | Backup License | No | Yes (encrypted backup file) | | Vulnerabilities | Known fixed issues | Fewer legacy exploits | cm2 dongle manager 1.81

Why stick with 1.81? Some proprietary software (particularly older CAM software from 2018-2020) has hardcoded checks expecting version 1.81’s API response structure. Newer managers can break compatibility. If you are running legacy industrial machinery software, 1.81 is often the safest choice.


CM2 Dongle Manager 1.81 is a functional but obsolete tool. It works adequately for maintaining legacy systems on old Windows versions, but it is not secure, not compatible with modern OS/hardware, and lacks vendor support. Organizations still using it should plan a migration to contemporary license management solutions.


If you need help extracting licenses from a CM2 dongle or transitioning away from dongle-based licensing, consult the original software vendor or a reverse-engineering specialist (where legally permissible).

The Infinity CM2 Dongle Manager v1.81 (also known as Smart-Card Manager) is the official utility used to manage, register, and update the firmware of your Infinity-Box smart card. Keeping this manager updated is essential to ensure compatibility with the latest software modules like CM2MT2 or CM2SPD. Key Functions

Firmware Updates: Updates the internal firmware of the dongle to the latest version, which is often required before running new software releases.

Registration: Allows you to register a brand-new dongle with your email address to activate your initial 12-month support period.

Serial Number (S/N) Retrieval: Displays the unique serial number needed for purchasing support renewals or activations. Cause: Corrupted

Subscription Check: Verifies your current account details and support expiry date. How to Update Your Dongle

Download and Extract: Download the latest manager from the Infinity-Box Support Page and extract it using 7-Zip (password: 1111).

Environment Setup: Do not run the software directly from the archive. Unpack it to a folder first.

Security Settings: Disable your PC Firewall or Antivirus temporarily and ensure you have an active internet connection. Run and Update: Connect your dongle to the USB port. Open DongleManager.exe. Select Update firmware and click Update.

If the dongle is new, a registration form will appear; fill in your correct name and email to proceed. Troubleshooting "Firmware Version is Outdated"

If you receive this error when opening a CM2 module, it means the software requires a newer firmware version than what is currently on your card.

Renew Support: If your 12-month free support has expired, you must purchase a renewal from a reseller or the Infinity-Box Online Service before the manager will allow a firmware update. CM2 Dongle Manager 1

Wait Time: After renewing support online, wait approximately 15 minutes before attempting the update in Dongle Manager. Infinity-Box - Downloads & Support


The 1.81 version includes an updated CM2LicenseServer.exe service that can bridge between IPv4 and IPv6 networks—a feature broken in earlier builds. This allows mixed network environments (legacy machines on IPv4, new workstations on IPv6) to share a single dongle.

Q1: Can I use CM2 Dongle Manager 1.81 on a virtual machine (VMware/VirtualBox)? A: Yes, but with limitations. The dongle must be passed through via USB passthrough. Version 1.81 works on VMware Workstation 15+ but may fail on VirtualBox due to timing issues in USB controller emulation.

Q2: Why does the manager ask for a password when I try to update the firmware? A: The default password is often 12345678 or cm2admin. If changed by your software vendor, they must provide it. Without the password, firmware updates are blocked to prevent counterfeiting.

Q3: My dongle’s LED flickers but the manager says “No License Found.” What’s wrong? A: The LED indicates power, not data. Run the diagnostic tool. If all tests pass except "License Table CRC," the license memory may be corrupted. Contact your vendor for a replacement.

Q4: Is version 1.81 free? A: The manager software itself is free (redistributable). However, the CM2 dongle and the licenses contained within it are commercial products. You cannot generate licenses using the manager alone.


If you need to switch to a newer manager or remove the software entirely: