"Joe Webb" wrote:

> Chris -
>
> Here's an excerpt from the SQLNS readme file that explains .net
> framework versioning when building custom components.
>
>
> -----------------------------------------------------------
> 4.15 Using Custom Components Built With Version 1.1.4322 of
> the .NET Framework
> -----------------------------------------------------------
> Notification Services 2.0 SP1 is built using the 1.0.3705
> version of the .NET Framework. By default, Notification
> Services attempts to load and use this version. If a custom
> component is built using version 1.1.4322 of the .NET
> Framework, this version is also loaded. When Notification
> Services and the component use different versions of the .NET
> Framework, differences in the class libraries can cause
> application errors, such as the following:
>
> * 2009: Notification Services failed to instantiate the event
> provider.
> * 6005: The assembly does not contain the required content
> formatter class.
>
> To resolve these errors, build custom components using version
> 1.0.3705 of the .NET Framework. To do this, add the directory
> containing the 1.0.3705 assemblies to the references path for
> the custom components project.
>
> If you must build custom components with version 1.1.4322 of the
> ..NET Framework, you can force Notification Services to use the
> same version. To do this, add a <startup> node to the
> NSService.exe.config file, which is in the vN.N.N.N\Bin folder
> of Notification Services. The following example shows the file
> with the <startup> node:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <configuration>
> <startup>
> <supportedRuntime version="v1.1.4322"/>
> <supportedRuntime version="v1.0.3705"/>
> </startup>
> <system.diagnostics>
> <switches>
> <add name="LogAdministrative" value="2"/>
> <add name="LogService" value="2"/>
> <add name="LogEventProvider" value="2"/>
> <add name="LogEventCollector" value="2"/>
> <add name="LogGenerator" value="2"/>
> <add name="LogDistributor" value="2"/>
> <add name="LogVacuumer" value="2"/>
> <add name="LogOther" value="2"/>
> <add name="LogPerformanceMonitor" value="2"/>
> </switches>
> </system.diagnostics>
> </configuration>
>
> The <supportedRuntime> elements restrict the versions of the
> ..NET Framework that Notification Services can use. The order of
> the listed versions determines the order in which Notification
> Services attempts to load the .NET Framework versions. In the
> example above, Notification Services will first attempt to load
> version 1.1.4322 of the .NET Framework. If it is not available,
> Notification Services will attempt to load version 1.0.3705 of
> the .NET Framework.
>
> You must restart the NS$<instance_name> service to apply changes
> made to NSService.exe.config.
>
>
> HTH...
>
>
> --
> Joe Webb
> SQL Server MVP
>
>
> ~~~
> Get up to speed quickly with SQLNS
> http://www.amazon.com/exec/obidos/tg/detail/-/0972688811
>
> I support PASS, the Professional Association for SQL Server.
> (www.sqlpass.org)
>
>
>
>
> On Thu, 9 Jun 2005 00:29:02 -0700, "Chris"
> <Chris@discussions.microsoft.com> wrote:
>
> >Microsoft.SqlServer.NotificationServices.dll was compiled against v1.0.3705
> >of the Framework
> >
> >"Chris" wrote:
> >
> >> Anyone know of the top of their head why version 1.1 of the Framework doesn't
> >> work?
> >>
> >> "jplankala" wrote:
> >>
> >> > This was due to the .NET framework version which I was using to develop the
> >> > event provider. I made the configuration changes for this and resolved t.
> >> >
> >> > Thanks.
> >> >
> >> > Jplankala
> >> >
> >> > "jplankala" wrote:
> >> >
> >> > > I am trying to use a custom hosted event provider.I have implemeted all the
> >> > > methods of the interface "IScheduledEventProvider " in the new Provider.
> >> > > When I try to start the service it is failing to initialise the Provider. The
> >> > > error log is given belowplease. Please help me to resolve this.
> >> > >
> >> > > <NotificationServicesEvent>
> >> > > <Description>
> >> > > Notification Services failed to instantiate the event provider.
> >> > > </Description>
> >> > > <Context>
> >> > > <EventParameters>
> >> > > <ProviderName>TestEventProvider</ProviderName>
> >> > > <ProviderAssembly>C:\temp\HostedEvent.dll</ProviderAssembly>
> >> > > <ProviderClassName>HostedEvent.TestEvent</ProviderClassName>
> >> > > </EventParameters>
> >> > >
> >> > > </Context>
> >> > > <Description>
> >> > > Method Initialize in type HostedEvent.TestEvent from assembly Initialize
> >> > > does not have an implementation.
> >> > > </Description>
> >> > > <Instance>RealtorInstance</Instance>
> >> > > <ApplicationName>Realtor</ApplicationName>
> >> > > <Component>Event provider host</Component>
> >> > > <Thread>43</Thread>
> >> > > </NotificationServicesEvent>
> >> > >
> >> > > JPlankala
>