We have added this line following path
Config file to edit for Wowza Live Stream Thumbnails
[wowza-install-dir]/conf/VHost.xml
and try with http://172.99.68.223:8086/transcoderthumbnail?application=live&streamname=29_1550573280000&format=jpeg&size=150*150 link
Facing issue is not working. Could you please help resolve the issue.