How to Disable CRL check on IIS 7.X
On IIS 6 you can disable CRL check by running following command
C:\Inetpub\Adminscript\cscript.exe adsutil.vbs Set W3SVC\CertCheckMode 1 but on IIS 7 we don't have metabase.xml. Now this key has been moved to Registry
https://www.asprangers.com/post/2012/04/02/How-to-Disable-CRL-check-on-IIS-7X.aspx