Unable to Install the ISA-L DLL Component from the Intel® QuickAssist Technology (Intel® QAT) Driver for Windows*
Content Type: Troubleshooting | Article ID: 000096547 | Last Reviewed: 09/11/2025
After installing the Intel QAT driver for Windows, the installation summary shows:
Intel(R) QAT Software Installation Summary
QATzip DLL: Successfully Installed
ISA-L DLL: Not Installed (Nuget.exe is not present in the system)
If the ISA-L DLL is not installed automatically, follow these steps to manually install it:
For more information on Intel® QuickAssist Technology and troubleshooting common installation issues, refer to the Release Notes: