bind log question

[gs]

in teh log for vb build, what does the following mean and what should I do
about them?
LOG: Bind to native image succeeded.
Native image has correct version information.
Attempting to use native image
C:\WINDOWS\assembly\NativeImages_v2.0.50727_32\Mic rosoft.Build.Fra#\2e8d30f21badda41a7ee75eb85d8bfc5 \Microsoft.Build.Framework.ni.dll.
ZAP: An ngen image of an assembly which is not loaded as domain-neutral
cannot be used in multiple appdomains - abandoning ngen image. The assembly
will be JIT-compiled in the second appdomain. See
System.LoaderOptimization.MultiDomain for information about domain-neutral
loading.
Discarding native image.