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Error WinInet error -9

Created: 01 Nov 2012 • Updated: 02 Nov 2012 | 5 comments
wmujawar's picture
This issue has been solved. See solution.

Dear Team,

The Sep 12.1 client on windows 7 machine is not getting updated. Please assist with resolution

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Ashish-Sharma's picture


How many system not update ?

client areonline or offline ?

can you post the sylink logs?

also check communication

If definitions are corrupted, check this article

How to clear out definitions for a Symantec Endpoint Protection 12.1 client manually


How to update definitions for Symantec Endpoint Protection using the Intelligent Updater

Thanks In Advance

Ashish Sharma

Chetan Savade's picture


As per screenshot client is in offline status.

What is the location for Sylink.xml in Symantec Endpoint Protection 12.1?

Can you replace sylink.xml of affected windows 7 machine & check?

Restoring communication to clients with a new Sylink.xml file

Chetan Savade
Sr.Technical Support Engineer, Endpoint Security
Enterprise Technical Support

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Simpson Homer's picture

try re-installing the SEP and see if the client comes back.


This is a general error message indicating that communication with the server failed. Run the Symantec Endpoint Protection Support Tool to diagnose the problem.

Ariv's picture


I think the Wininet.dll file is missing on the C:\Windows\System32 folder.

If the file is missing restore it to system32 folder --> reboot

Do a repair installation of SEP then once again reboot the machine.

See if it helps!

SameerU's picture


Please replace the Sylink.xml