yo bro im pretty sure that 500.19 error is solved in this video Running Django on Windows Using an IIS Server - YouTube, and its related with the ISS handlers been locked , so you just had to unlock them , but after that error is solved you will encounter the big daddy error which is the 500.0 error which we solved with this advance settings change that this forum shows IIS FastCGI An unknown error: 0x80070005 - Programmer Sought, resuming it says you gotta go to the ISS and into Application Pool → Advanced Settings → ID: ApplicationPoolIdentify then modify the default LocalSystem.
hope this can help you , it did help us so …
pd: by the way the concrete code error for the 500.0 was 0x8007010b
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