Event ID 1085 - Group Policy Zonemapping - Warning
Log Name: System
Source: Microsoft-Windows-GroupPolicy
Event ID: 1085
Level: Warning
Description: Windows failed to apply the Internet Explorer Zonemapping settings. Internet Explorer Zonemapping settings might have its own log file. Please click on the "More information" link.
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| Event ID 1085 - ZoneMapping |
This is caused by invalid syntax in the GPO for site to zone assignments. Some of the exact causes of this warning can be found here:
https://blogs.msdn.microsoft.com/askie/2016/04/05/description-of-event-id-1085-from-internet-explorer-zonemapping/
*Note this policy exists under both Users and Computers configurations in Group Policy...be sure to check both places.
Troubleshooting this list is made a lot easier with the help of this tool:
https://blogs.msdn.microsoft.com/askie/2017/07/05/event-id-1085-from-internet-explorer-zonemapping-part-2-zonemap-troubleshoot-tool/
The tool can be run from any computer that contains this warning and will identify the incorrect entries in the list. Great time saver!
