IIS 7: But why do I get a 500.19 – Cannot add duplicate collection entry- with 0x800700b7 !?
(Because I’m sure that was your exact exclamation when you hit it!) Also applies to IIS 7.5 (Windows Server 2008 R2), IIS 8.0 (Windows Server 2012), IIS 8.5 (Windows Server 2012 R2) and IIS 10 (Windows Server 2016). The Background This week, I was out at a customer site performing an IIS Health Check, and got… Read more
- Tags: IIS, Tales from the Road, Troubleshooting