I recently had this problem when working with an older site – I fixed it by changing the AppPool Managed Pipeline mode to “Classic”.
Why that worked I had no idea, but work it did!
by Steve French in How To Fix on August 11, 2014
I recently had this problem when working with an older site – I fixed it by changing the AppPool Managed Pipeline mode to “Classic”.
Why that worked I had no idea, but work it did!