"A certificate is required to complete client authentication" Error during file download using innosetup download plugin

Question

While downloaidng setup files from server using the InnoSetup Download plugin it throws following error:

"A certificate is required to complete client authentication"

My Server where file is hosted supports the TLS1.0,1.1,1.2 protocols. if i try the same url from browser , it works fine. Please let me know the issue.

Code :

idpaddfile(url, ExpandConstant('{tmp}\Setup.exe'));