If your license key is not working or the update checker fails:
Updating your license key in Slitheris Network Discovery is a straightforward process handled directly within the application's interface. Follow these steps to activate your software:
Slitheris offers a unique set of features that are enhanced by regular updates and valid licensing: slitheris network discovery license key upd
Note: Previously, this button was in the upper-right, but it was moved to address screen resolution issues.
Slitheris Network Discovery: Updating Your License Key in 2026 If your license key is not working or
Slitheris Network Discovery remains a top-tier agentless IP scanner for IT professionals and Managed Service Providers (MSPs) who need deep network visibility without the hassle of remote credentials. Whether you are moving from the free 50-device version to a Pro plan or renewing an existing subscription, keeping your is essential for maintaining access to premium features like advanced OS fingerprinting and device age estimation. How to Update or Enter Your Slitheris License Key
: While software upgrades are free, an annual fee (typically $39–$79) may apply after the first year to continue receiving the latest Device Type Definitions and OS Fingerprints. These updates are critical for identifying the newest hardware released in 2025 and 2026. Whether you are moving from the free 50-device
: Once entered, the software will validate the key. You may need to restart the application to finalize the activation of all licensed features. Why Keep Your License Updated?
: Recent versions (v1.2.28 and later) require Administrator rights due to Windows API restrictions. Run the program as an administrator to ensure the license key can be saved correctly.
: Licensed versions allow for deeper scanning of non-pingable "stealth" devices using ARP-based discovery and specialized SMB security checks for vulnerabilities like EternalBlue. Troubleshooting Update Issues