|Product:||SQL Server Notification Services|
|Message:||The protocol provider could not be loaded because the assembly or class name is not valid.|
|This error occurs when you have a custom Http extension. In the delivery channel section of the instance configuration file, you specify the name of the file containing the implementation of the custom protocol and the class that implements the protocol. If either of these is incorrect, this error is logged.
The event log entry contains the inner exception, which indicates which component was not found, the file containing the protocol or the class.
|If the file was not found, ensure that the ProtocolProviderAssemblyName value points to the correct file. If the class was not found, ensure that the name of the class specified in ProtocolProviderClassName has the correct case, and that it has the correct fully qualified class name in the following form: