You are opening a web page which require Adobe Flash via Internet Explorer in Windows Server 2012 environment. You have tried the following steps but still the Adobe Flash is not opening.
• Install new / latest Adobe Flash
• Enable the Shockwave Flash Object
• Disable Active X filtering
You are also getting below message while installing the Adobe Flash,
Your Microsoft Internet Explorer browser includes the latest version of the Adobe Flash Player built-in
Using Server Manager, Add the feature Desktop Experience. You have to restart your Windows system to finish the installation. Once Windows is up, open the Internet Explorer and test the Adobe Flash functionality.