Download rasdd.dll file from the collection of DLL libraries and OCX elements. Perhaps this file will help you to correct the error "the rasdd.dll library is not found" which appears as a result of incorrect operation of the Windows operating system or work with the program.
How to download free rasdd.dll?
Also, this file may be required when developing software. When using the rasdd.dll file, you should review the copyrights to it.