diff --git a/go.mod b/go.mod
index ed08ce33..783f0f35 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/novox/mesh-controller
 go 1.26.0
 
 require (
-	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022154558-f8b8f3a666d8
+	git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022161324-8892a1176800
 	github.com/jackc/pgx/v5 v5.10.0
 	github.com/nats-io/nats-server/v2 v2.11.17
 	github.com/nats-io/nats.go v1.54.0
diff --git a/go.sum b/go.sum
index 159a0bd7..f6fc2a14 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 git.novox.be/novox/mesh-host v0.0.0-20261018171808-9d9e3a46c4f5 h1:E5stfIeCN6uYgA9TCv+4K8JgaURg3zQppvUgJLaDMP4=
 git.novox.be/novox/mesh-host v0.0.0-20261018171808-9d9e3a46c4f5/go.mod h1:4wyoCr6IIIIarEUuROThWDj7DAvJvIidqMjWcpSnOwE=
-git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022154558-f8b8f3a666d8 h1:IoC5EdwTc0JYKxOYTKQtXbDRldGl2gXQdbTtoMe0Frg=
-git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022154558-f8b8f3a666d8/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
+git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022161324-8892a1176800 h1:Q29osS06HHcXH1WXURDyITbOLnJG7XJYgCzmZD++Nws=
+git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022161324-8892a1176800/go.mod h1:ouERNpZizzwZ0HLEtAypsY9FR20FyUgUYRni6J7kVCY=
 github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op h1:Z/MZK75wC/NSrkgqeNIa7jexam9uWzhLmFTSCPI/kn0=
 github.com/antithesishq/antithesis-sdk-go v0.7.0-default-no-op/go.mod h1:FQyySiasQQM8735Ddel3MRojmy4dA1IqCeyJ5jmPMbI=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/testdata/beside/CAPTURED b/testdata/beside/CAPTURED
index d6fa9eb3..41d3f8db 100644
--- a/testdata/beside/CAPTURED
+++ b/testdata/beside/CAPTURED
@@ -9,7 +9,7 @@ a second place to clean besides the catalogue itself.
 
 mesh-catalog  e0bc919d4945bb5f13f971f74643a0b714cf45da  modules/*/module.json, modules/nats/Dockerfile
 mesh-host     9d9e3a46c4f5943cfffb413d962ce48b75e2fd39  examples/foundation-first-node.lock
-mesh-sdk      f8b8f3a666d816071e7e30e2e1eeec8a29ab3d86  conformance/events/module-event.json
+mesh-sdk      8892a1176800cb27e818af8076cf05f890a84807  conformance/events/module-event.json
 
 To move them, from this repository's root, with the two repositories checked out beside it:
 
diff --git a/vendor/git.novox.be/novox/mesh-sdk/go/compose/network.go b/vendor/git.novox.be/novox/mesh-sdk/go/compose/network.go
index 1e66c516..afc8363c 100644
--- a/vendor/git.novox.be/novox/mesh-sdk/go/compose/network.go
+++ b/vendor/git.novox.be/novox/mesh-sdk/go/compose/network.go
@@ -74,7 +74,10 @@ func (c *composer) overlayRange() string {
 }
 
 // network builds the private network over the machines that resolved the module for it. A machine is on it because it
-// was given the module, or because it is joining with a key and an address (novox/hq ADR 0169).
+// was given the module, or because it is joining with a key and an address (novox/hq ADR 0169), or because its own set
+// could not be resolved and it holds a place (a key and an address): that place is its last good one on the network, and
+// it does not change because its modules failed, so every other machine keeps its path to it -- the hub above all -- and
+// only its own declaration is refused (issue 1833). A machine refused with no place is left off.
 func (c *composer) network(on map[string]bool, refused map[string]string) (*overlay.Generator, error) {
 	tunnels := c.in.Tunnels
 	carried := c.in.CarriedPeers
@@ -85,9 +88,15 @@ func (c *composer) network(on map[string]bool, refused map[string]string) (*over
 	var nodes []overlay.Node
 	for _, node := range c.in.sorted() {
 		p := node.Place
-		if !on[node.Name] && !(isJoining[node.Name] && p.Key != "" && p.Address != "") {
+		placed := p.Key != "" && p.Address != ""
+		_, wasRefused := refused[node.Name]
+		if !on[node.Name] && !((isJoining[node.Name] || wasRefused) && placed) {
 			continue
 		}
+		if !on[node.Name] && wasRefused && !isJoining[node.Name] {
+			c.say("%s could not be resolved and keeps its place on the private network at %s, so the others keep their path to it",
+				node.Name, p.Address)
+		}
 		n := overlay.Node{
 			Name: node.Name, Key: p.Key, Endpoint: p.Endpoint,
 			Site: p.Site, Hub: p.Hub, Address: p.Address,
@@ -233,7 +242,9 @@ func (c *composer) whereEveryoneIs() (map[string]string, error) {
 }
 
 // onTheNetwork is every placed machine that resolves the private network: has an address AND runs what puts it there
-// (novox/hq issue 079). A machine that does not resolve is not counted, and said.
+// (novox/hq issue 079). A machine that does not resolve keeps its place when it holds one (a key and an address), by the
+// same rule as network(), so its name and its address stay where the tunnel to it does (issue 1833); one without is not
+// counted, and said.
 func (c *composer) onTheNetwork() []Node {
 	var out []Node
 	for _, n := range c.in.sorted() {
@@ -247,6 +258,12 @@ func (c *composer) onTheNetwork() []Node {
 			catalogue.Node{Name: n.Name, Site: n.Place.Site, Capabilities: n.Capabilities},
 			catalogue.World{Unchecked: true, Holdings: c.in.Holdings})
 		if err != nil {
+			if n.Place.Key != "" {
+				c.say("%s could not be resolved and keeps its place on the private network at %s, so the others keep their path to it",
+					n.Name, n.Place.Address)
+				out = append(out, n)
+				continue
+			}
 			c.say("%s is not counted as on the network: it does not resolve: %v", n.Name, err)
 			continue
 		}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index c7dd64fa..b66d73a5 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,4 +1,4 @@
-# git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022154558-f8b8f3a666d8
+# git.novox.be/novox/mesh-sdk/go v0.1.14-0.20261022161324-8892a1176800
 ## explicit; go 1.26.0
 git.novox.be/novox/mesh-sdk/go
 git.novox.be/novox/mesh-sdk/go/asks