"PKIX path building failed: sun.secrity.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target" error appears when truing to activate the UgCS license

Locate the file 'C:\Program Files (x86)\UgCS\server\ucs\ucs.properties' and change 'https' to 'http' for lines:

activationServer.endpoint=https://activation.ugcs.com
liveServer.endpoint=https://activation.ugcs.com

Updated about 1 year ago