Copilot must be disabled.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-260466SRG-APP-000141EDGE-00-000066SV-260466r960963_rule2024-09-132
Description
The Sidebar is a launcher bar on the right side of Microsoft Edge's screen. If this policy is enabled or not configured, the Sidebar will be shown. If this policy is disabled, the Sidebar will never be shown. Disabling Sidebar will disable Copilot.
ℹ️ Check
Verify the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Show Hubs Sidebar" is set to "Disabled". Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Edge If the value for "HubsSidebarEnabled" is not set to "REG_DWORD = 0", this is a finding.
✔️ Fix
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Show Hubs Sidebar" to "Disabled".