wp clone returing blank screen after migration of website from Apache to IIS

Hi All,

I have two word press site, which are hosted on two different platforms(Apache and IIS)
IIS wordpress site was able to generate backup and i was able to restore the site by the url.but when i copied cloned generated file on the Apache web site and i was able to clone the site to IIS hosted site and website look all good, but ” the issues is when i create the backup of the new site migrated from Apache web server to IIS server site wp clone is returning a blank screen.