+The **/DEBUG:FASTLINK** option is available in Visual Studio 2017 and later. This option generates a limited PDB that indexes into the debug information in the object files and libraries used to build the executable instead of making a full copy. You can only use this limited PDB to debug from the computer where the binary and its libraries were built. If you deploy the binary elsewhere, you may debug it remotely from the build computer, but not directly on the test computer. In Visual Studio 2017, this option can sometimes greatly improve link times compared with **/DEBUG:FULL**. In Visual Studio 2019 and later, **/DEBUG:FULL** is faster than earlier versions. Now, **/DEBUG:FASTLINK** isn't always faster than **/DEBUG:FULL**, and it's rarely more than twice as fast.
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