2006 import diagnostics

Is there a way to run import diagnostics on a existing part in 2006.  i have multiple imported assemblies with error's.  it seems in 2006 you can't run import diagnostics on parts that have already been imported.  or if i could just turn off the error notice.  i find that if i export the part out, then import it back in, i can run diagnostics. then do a save as. but then i have to fix contraints.

thanks!

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