PLEASE READ Advisory: Kernel memory issue affecting multiple OS (aka F**CKWIT, KAISER, KPTI, Meltdown & Spectre) for the latest updates.
At the end of the Sophos Central endpoint installer you see an error message that the installation was unsuccessful and that the internet connection could not be established. Checking the Sophos Endpoint Bootstrap_[Timestamp].txt log you see the return code of 143 and at least one of the following messages:
ERROR,Failed to send a WinHttp request. The error code was 12007 (The server name or address could not be resolved)., ERROR,Failed to send a WinHttp request. The error code was 12029 (A connection with the server could not be established).,ERROR,Failed to connect to the URL https://mcs-amzn-eu-west-19af7.upe.p.hmr.sophos.com/sophos/management/ep.,ERROR,An Internet connection could not be established.,
This article explains the cause of the error 143 and on what to do to resolve it.
The following sections are covered:
Applies to the following Sophos products and versions Sophos Cloud Managed Endpoint
SophosInstall.exe was unable to make a successful connection attempt to one or more URLs.
A successful log shows the following information:
[Date,Time],Information,Checking for internet connectivity..., [Date,Time],Success,Successfully connected to the URL http://dci.sophosupd.com/., [Date,Time],Information,Checking for internet connectivity..., [Date,Time],Success,Successfully connected to the URL https://mcs-amzn-eu-west-1-9af7.upe.p.hmr.sophos.com/sophos/management/ep.,
Note: The Amazon URL may be different depending on the region selected during initial activation of your Sophos Central account.
Ensure that the user account running SophosInstall.exe can access the locations mentioned in the log file.
Note: If SophosInstall.exe is running in the SYSTEM account context, e.g. where deploying through Group Policy start-up scripts, ensure that the SYSTEM user account can access the Internet.
If you are using a proxy server, consider the following option:
netsh winhttp set proxy proxy-server="http=your_proxy_server:your_proxy_port;https=your_proxy_server:your_proxy_port"'
cd C:\Windows\SysWOW64 [press enter] netsh winhttp set proxy proxy-server="http=your_proxy_server:your_proxy_port;https=your_proxy_server:your_proxy_port"
If you've spotted an error or would like to provide feedback on this article, please use the section below to rate and comment on the article. This is invaluable to us to ensure that we continually strive to give our customers the best information possible.
Every comment submitted here is read (by a human) but we do not reply to specific technical questions. If you need technical support please post a question to our community. Alternatively for licensed products open a support ticket.