---
title: "Server Error in '/' Application. System.ServiceModel.Activation.HttpModule"
canonical: "https://servicedesk.maxgeo.com/space/DS/1516797955/Server%20Error%20in%20'%2F'%20Application.%20System.ServiceModel.Activation.HttpModule"
format: markdown
---
|  |  |  |  |
| --- | --- | --- | --- |
| Application: | DataShed | Related Build Number: | ALL |
| Status: | [Known Issue] | Resolved Build Number | ALL |

---

**Issue:**

Error when loading DataShed

# Server Error in '/' Application.

## *Could not load type 'System.ServiceModel.Activation.HttpModule' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.*

**Description:**An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

**Exception Details:**System.TypeLoadException: Could not load type 'System.ServiceModel.Activation.HttpModule' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

**Source Error:**

|  |
| --- |
| `An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.` |

**Cause:**

Missing Windoes IIS feature

**Resolution: ** 

Ensure that “HTTP Activation” is enabled for all installed .NET frameworks in the Windows Features