diff --git a/CLAUDE.md b/CLAUDE.md
index 2aedf436..df5a4b6a 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -26,6 +26,13 @@ Repos cloned as sibling directories under `~/Desktop/` — referenced for contex
 
 Other peers in the `scadaproj` family (see `scadaproj/CLAUDE.md` for details): `~/Desktop/HistorianGateway` (`historiangw`) — AVEVA Historian gRPC sidecar, OtOpcUa's sole historian backend; its historian SDK (`AVEVA.Historian.Client`) is now owned inside that repo at `HistorianGateway/histsdk/` (the separate `~/Desktop/histsdk` repo was folded in with history); and `~/Desktop/scadaproj` (`scadaproj`) itself — shared `ZB.MOM.WW.*` libs + the dev/test GLAuth on `10.100.0.35:3893`.
 
+> ⛔ **Wonder box remote access (2026-09-11): no `psbridge`, no `winrm`.** Both skills are retired/disabled —
+> the WinRM remote-exec channel set off the security software on the wonder boxes (vd03/vq03/vq04). Do not
+> run remote commands (service control, publish/swap, PowerShell) on those boxes and do not stand up a
+> replacement channel until the user clears one. Still allowed: UNC/SMB file copies and logging directly
+> into the SQL Servers. Deploy steps that need a command on the box are blocked; see the umbrella
+> [`../scadaproj/CLAUDE.md`](../scadaproj/CLAUDE.md) for the current hold.
+
 ## Document Conventions
 
 - Requirements documents (high-level and component-level) live in `docs/requirements/`.