(run as Administrator).

using a hex editor to change specific bytes (e.g., changing a instruction to Important Considerations The critical file is located at %SystemRoot%\System32\termsrv.dll Permissions: Since this is a system file, you must take ownership

Why go through the patching hassle? Let's compare:

# Locate termsrv.dll, stop service, take ownership, patch bytes, restart service # WARNING: Unsigned, unsupported modification

fabianosrc/TermsrvPatcher: Patch termsrv.dll so that multiple ... - GitHub