Unable To Obtain License 5677 . License Request For [upd] -
Depending on the software you are using, here are the most common causes and ways to resolve this: 1. Common Causes Service Not Running
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. Unable To Obtain License 5677 . License Request For
Press Win + R , type services.msc , and ensure services like FlexNet Licensing Service or Sentinel LDK License Manager are "Running". Depending on the software you are using, here












