Hi guys, I have one Notification Services (in MSSQL 2005) and two Application in it. Each Application has ContentFormatter with different Custom Formatter. (assemblies are in different folders) Code Snippet .................. <ContentFormatter> <ClassName>NS.NotificationFormatter.CustomFormatter</ClassName> <AssemblyName>c:\1\NS.NotificationFormatter.dll</AssemblyName> .................. <ContentFormatter> <ClassName>NS.NotificationFormatter.CustomFormatter</ClassName> <AssemblyName>c:\2\NS.NotificationFormatter.dll</AssemblyName> .................. So when I call Custom Formatter (1) it look like cached in server, because when I call Custom Formatter (2) instead this Custom Formatter (1) invoked (from cache). But it has different assembly, so error occur. Help me please.