Unable To Obtain License 5677 . License Request For
Error 5677 appeared suddenly on three engineering workstations after a nightly antivirus definition update. Diagnosis: Antivirus quarantined lmgrd.exe and vendor_daemon.exe as "Potentially Unwanted Programs." Solution: Restored files from quarantine, added the license server folder and *.exe to antivirus exclusions.
Check your license file (e.g., license.lic , lservrc ). Ensure:
License not required for the soul’s insurrection. Unable To Obtain License 5677 . License Request For
Understanding the cause is half the solution. Error 5677 typically arises from one of six core issues:
But the system returned its verdict: Unable. Ensure: License not required for the soul’s insurrection
Reinstall the component using the installer provided by the software vendor. 2. Manually Register COM Components
typically appears in specialized engineering or automation software that uses licensing managers like Siemens Automation License Manager Reinstall the component using the installer provided by
If error 5677 occurs only for one user or one PC, the issue is local (corrupt profile, antivirus, or Windows registry). If it occurs everywhere, the server or license file is at fault.
The client machine has an older or incompatible version of an ActiveX Control than what the application requires.
Ensure TCP ports (typically 27000–27002 ) are open in your Windows Firewall .