Following error occurred during installation of a product through Symantec Installation Manager (SIM):
Downloading file from "http://www.solutionsam.com/solutions/8_1/altiris_inventorysolution_8_1_x64.msi?symct-=1509446911_c2f76624f4452b3ce33cd041a302c733".
Exception while accessing [GetHttpFileInfo]. The response received from the server was complete but indicated a protocol-level error. For Example, an HTTP protocol error such as 401 Access Denied would use this status.
The remote server returned an error: (403) Forbidden.
Antivirus, Proxy and Firewall devices are blocking the MSI downloads to the SMP server.
Add an exclusion for the MSI's in the Antivirus, Proxy and Firewall devices so that the files can be downloaded by the SMP server properly.