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Title
Password Manager site is not loading and the following error is occurring: “could not load type system.servicemodel.activation.httpmodule…” -
Description
Password Manager site is not loading and the following error is occurring:
Could not load type 'System.ServiceModel.Activation.HttpModule' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
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Cause
The error is caused by an incomplete .NET 4 installation, or IIS role was installed after .NET 4 or the service account's password has changed and service cannot be started. -
Resolution
WORKAROUND
The resolution is to register .net by the following steps:
a) Open a command prompt with administrator rights
b) Type the following command:
c:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -iru
c) Perform iisreset
Here is an Microsoft article on the solution.2. Verify the QPM application service is started in services.msc