MyWebTech Technical Notification #140 - Important Update for Lyric Security System Installations - Dated 3/17/26

Technical

Notification

#140

3/1
7
/2026


MyWebTech
Technical Notification #140

Technical Updates Directly
Subject:
Important Update for Lyric® Security System Install
ations
Product
LCP300-L, LCP300-LC, LCP500-L, LCP500-L24, LCP500-L
BR,
LCP500-LBR-Z3, LCP500-LBR-Z5, LCP500-LC
March

17,

2026
Dear Valued Customer,

We are writing to inform you of an upcoming change
that will impact Lyric® Security Systems beginning
April 15, 2026.
The legacy authentication process used by Lyric pan
els to connect to AlarmNet™

360 system (AN360) is
expiring. As a result, certain configuration and man
agement capabilities will no longer be supported
after this date.
What

Will

Continue

to

Work
All active Lyric systems will continue to operate n
ormally, including:
•

Core system functionality
– Lyric system will continue to operate as it does
today,
including arm/disarm capabilities and user code man
agement.
•

Connected services
– Total Connect services, alarm reporting, and two
-way voice will
continue without interruption.
What

Will

Change

After

April

15,

2026
The following features will no longer be available
through AN360 system:
•

Adding new Lyric systems
•

Adding or enrolling new sensors
•

Syncing configuration changes
•

Modifying system settings from the panel or AN360 p
ortal
•

Apply dealer branding
•

Firmware over-the-air updates
•

Changing central stations
What

You

Need

to

Do
No action is required for existing and active Lyric
systems to continue operating. This communication
is
intended to help you plan for future installations
and system management needs.
If you have questions or would like to discuss upgr
ade options, please contact your Resideo Sales
Representative.


Sincerely,
Product Marketing Team Resideo
Technologies, Inc.