NLB 中WCF服务报404错误的解决

首先Please make sure you've activated WCF components from here.

Or alternate and easy way is, go to control panel -> Turn Windows feature on or off -> and make sure you've all the options ticked as mentioned in below screenshot.

 

其次：

Go to Handler Mappings | Add Handler Manager --> And then add below information

Request Path: *.svc

 

Type: System.ServiceModel.Activation.HttpHandler, System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089

 

Name: svc-Integrated