Revcms r63 Error 500.21

[Jamescool12]

Hello guys Im having a error with IIS 8.5 it keeps giving me a error 500.21 I installed everything correct I followed the tut, but then it gives this error i added the PHP extension so please someone here help me!

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[Synapse]

Wrong section.

 

[Zoxq]

Install/reinstall PHP.

 

[Pinkman]

Wrong section but yes try reinstall PHP 5.6 <--- RECOMMENDED!!