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ForeFront TMG service fails to start after installation of DeviceLock

DESCRIPTION

ForeFront TMG service can not start with the following error in the Event Log after installation of DeviceLock

==========================================================================
Source:Service Control Manager
Type:Error
User:N/A
Explanation:
Forefront TMG Client Agent terminated with service-specific error. 2147942632(0x800700E8)
==========================================================================

COMMENTS

The issue may be caused by DeviceLock access control permissions settings blocking access to WiFi to currently logged-in user and SYSTEM accounts.

RECOMMENDATIONS

Provide user and SYSTEM accounts with Full access to WiFi.

Note
In case it is still essential to block access to WiFi, we recommend to disable WiFi adapter in BIOS where applicable.