CAS permissions required to host HealthVault ASP.NET Applications…


Using Microsoft.Health.Web.dll in an ASP.NET application requires various permissions and security demands to work properly.  Some hosting providers will only allow ASP.NET applications to be hosted in a medium trust environment which doesn’t offer all the required permissions.  If this situation occurs you must negotiate with the hosting provider to get the following permissions for your application.


 


·         System.Web.AspNetHostingPermission


·         System.Security.Permissions.EnvironmentPermission


·         System.Security.Permissions.FileIOPermission


·         System.Security.Permissions.ReflectionPermission


·         System.Security.Permissions.RegistryPermission


·         System.Security.Permissions.KeyContainerPermission


·         System.Security.Permissions.SecurityPermission


 


In addition, certain features exposed through Microsoft.Health.Web.dll and Microsoft.Health.dll require additional permissions or security demands.


 


Microsoft.Health.dll:


·         SerializationFormatter – All .NET API exceptions support serialization using the GetDataObject virtual method which requires a LinkDemand for SerializationFormatter


·         Full trust required to call HealthRecordItem.ValidateCertificate() and HealthRecordItem.IsSignatureValid() and will fail in partial trust environments.


 


Microsoft.Health.Web.dll:


·         AspNetHostingPermissionLevel.Minimal – LinkDemand and InheritanceDemand required to use HealthRecordItemDataGrid


·         AspNetHostingPermissionLevel.Minimal – LinkDemand and InheritanceDemand required to use HealthServicePage


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