User313010330 posted
Hi,
We keep on getting signature verification issue while trying to install IIS compression module using Web Platform Installer. I've tried different machines but they all failed with below message:
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PS C:\Program Files\Microsoft\Web Platform Installer> .\WebpiCmd.exe /install /products:"IISCompression" /AcceptEULA /Su
ppressReboot
The software that you obtain using the Web Platform Installer Command Line Tool is licensed to you by its owner. Micros
oft grants you no rights for third party software.
Successfully loaded primary feed: https://aka.ms/webpifeed51
The following software is going to be installed:
EULA: 'IIS Compression Module 1.0', which is owned by 'Microsoft', will be downloaded from 'https://download.microsoft.c
om/download/6/1/C/61CC0718-ED0E-4351-BC54-46495EBF5CC3/iiscompression_amd64.msi'.
The license agreement to 'IIS Compression Module 1.0' may be included with the software.
You are responsible for and must separately locate, read and accept these license terms.
Accepted EULA.
Starting Installation
Started downloading products...
Started downloading: 'IIS Compression Module 1.0'
Downloaded: 'IIS Compression Module 1.0'
Install completed (Failure): 'IIS Compression Module 1.0'
IISCompression : Failed.
Downloaded file failed signature verification and may have been tampered with
Verifying successful installation...
IIS Compression Module 1.0 False
Install of Products: FAILURE
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