safe file


SSPI authentication provider

Check your PC for authsspi.dll related issues!

authsspi.dll. What is it?

The authsspi.dll is a SSPI authentication provider.

This file is part of Internet Information Services. Authsspi.dll is developed by Microsoft Corporation. It’s a system and hidden file. Authsspi.dll is usually located in the %WINDOWS% sub-folder and its usual size is 46,080 bytes.


The authsspi.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

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General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: SSPI authentication providerPart Of: Internet Information ServicesCommon path(s): subfolder in %WINDOWS%Keywords(s): systemFilesize(s): 46,080 bytes, 40,960 bytes, 46,592 bytes, 41,472 bytes

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