Error [A]Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceSection cannot be cast to [B]Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceSection.

Error    1    [A]Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceSection cannot be cast to [B]Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceSection. Type A originates from ‘Microsoft.Practices.EnterpriseLibrary.Common, Version=4.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘Default’ at location ‘C:\Windows\assembly\GAC_MSIL\Microsoft.Practices.EnterpriseLibrary.Common\4.1.0.0__31bf3856ad364e35\Microsoft.Practices.EnterpriseLibrary.Common.dll’. Type B originates from ‘Microsoft.Practices.EnterpriseLibrary.Common, Version=5.0.414.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ in the context ‘LoadFrom’ at location ‘C:\Users\Administrator\AppData\Local\Microsoft\VisualStudio\10.0\Extensions\Microsoft\Web Service Software Factory 2010\4.0\Microsoft.Practices.EnterpriseLibrary.Common.dll’

Se tiene instalada la herramienta Web Service Software Factory y el bus de servicios ESB Toolkit. Cuando se quiere generar código con el WSSF ocurre este error, esto pasa por que el bus de servicios utiliza Enterprise Library versión 4.1 y el WSSF usa la versión 5.0. Solución

Ir al archivo machine.config de las siguientes rutas:

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Config  (32 bits)

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config (64 bits)

comentar las siguientes lineas

<!– <section name=”enterpriseLibrary.ConfigurationSource” type=”Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceSection, Microsoft.Practices.EnterpriseLibrary.Common, Version=4.1.0.0,Culture=neutral, PublicKeyToken=31bf3856ad364e35″/>–>

<!–
<enterpriseLibrary.ConfigurationSource selectedSource=”ESB File Configuration Source”><sources><add name=”ESB File Configuration Source” type=”Microsoft.Practices.EnterpriseLibrary.Common.Configuration.FileConfigurationSource, Microsoft.Practices.EnterpriseLibrary.Common, Version=4.1.0.0,Culture=neutral, PublicKeyToken=31bf3856ad364e35″ filePath=”C:\Program Files (x86)\Microsoft BizTalk ESB Toolkit 2.1\esb.config”/><add name=”ESB SSO Configuration Source” type=”Microsoft.Practices.ESB.SSOConfigurationProvider.SSOConfigurationSource, Microsoft.Practices.ESB.SSOConfigurationProvider, Version=2.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35″ applicationName=”ESB” description=”ESB SSO Configuration” contactInfo=”someone@microsoft.com” userGroupName=”BizTalk Application Users” adminGroupName=”BizTalk Server Administrators”/></sources></enterpriseLibrary.ConfigurationSource></configuration>
–>

y listo.

nota: Descomentar las lineas cuando haya terminado de utilizar el WSSF.