There could be a number of reasons for this behavior. It may be that the function is not working properly on the run time engine (RTE). The best fix for this is to see if the problem persists in LV 7.1. It is the best version of LabVIEW to date. If you can post code that shows the problem then it can be tested in other versions.
Your executable may not have all the settings that are in the development environment. The follow KB discusses a solution: <a href="http://digital.ni.com/public.nsf/websearch/65F76F247012DF68862562C70073BE06?OpenDocument">Setting LabVIEW Preferences For a Windows Executable</a> Lastly, UDP is a lossy protocol by definition. Consider using TCP instead if the losses are unacceptable.
