diff --git a/euroccgcs/custom/fleet.yaml b/euroccgcs/custom/fleet.yaml
index a6773daab9044a31aaf31fc3f70f4688e713d7c0..903a41640e8a20e4161e35550d8c505f7e4fcd8b 100644
--- a/euroccgcs/custom/fleet.yaml
+++ b/euroccgcs/custom/fleet.yaml
@@ -32,6 +32,11 @@ helm:
       syslog:
         enabled: true
         level: 10
+    customConfig:
+      announcement:
+        show: true
+        title: "Upcoming Maintenance: 20 Mar 2025, 08:30 - 18:30"
+        body: "All running JupyterLabs will be stopped during this maintenance."
 targetCustomizations:
   - name: jupyter-stag
     clusterSelector:
diff --git a/juniq/custom/fleet.yaml b/juniq/custom/fleet.yaml
index 66ecd099d2fd7225a266e53685b576163acbb71c..a498589500f286229d93fec177ee36e6aea99620 100644
--- a/juniq/custom/fleet.yaml
+++ b/juniq/custom/fleet.yaml
@@ -19,9 +19,9 @@ helm:
     fullnameOverride: juniq-custom
     customConfig:
       announcement:
-        show: false
-        title: "Infrastructure Issues Notice"
-        body: "We are experiencing problems with the underlying infrastructure, which may result in slow website loading and difficulties during the startup process."
+        show: true
+        title: "Upcoming Maintenance: 20 Mar 2025, 08:30 - 18:30"
+        body: "All running JupyterLabs will be stopped during this maintenance."
       services:
         JupyterLab:
           defaultOption: "4.2-juniq"
diff --git a/jupyterjsc/custom/fleet.yaml b/jupyterjsc/custom/fleet.yaml
index 551f8ce38ca3ace167ed4bef6134a44c29c87242..93c8c4051efc3f5491e9c66334ce07442867887f 100644
--- a/jupyterjsc/custom/fleet.yaml
+++ b/jupyterjsc/custom/fleet.yaml
@@ -25,9 +25,9 @@ helm:
         outpostKubeJSCCloud:
           pollInterval: 180
       announcement:
-        show: false
-        title: "Infrastructure Issues Notice"
-        body: "We are experiencing problems with the underlying infrastructure, which may result in slow website loading and difficulties during the startup process."
+        show: true
+        title: "Upcoming Maintenance: 20 Mar 2025, 08:30 - 18:30"
+        body: "All running JupyterLabs will be stopped during this maintenance."
       services:
         JupyterLab:
           "4.3":
diff --git a/nfdigeneral/custom/fleet.yaml b/nfdigeneral/custom/fleet.yaml
index cf6d88ad67e5d747c88c0d3bd1fa21ea62df5501..9be59462916ff35a984418fa758edace01f5542f 100644
--- a/nfdigeneral/custom/fleet.yaml
+++ b/nfdigeneral/custom/fleet.yaml
@@ -38,9 +38,9 @@ helm:
         outpostKubeJSCCloud:
           pollInterval: 180
       announcement:
-        show: false
-        title: "Infrastructure Issues Notice"
-        body: "We are experiencing problems with the underlying infrastructure, which may result in slow website loading and difficulties during the startup process."
+        show: true
+        title: "Upcoming Maintenance: 20 Mar 2025, 08:30 - 18:30"
+        body: "All running JupyterLabs will be stopped during this maintenance."
       services:
         defaultOption: "4.2"
       systems:
diff --git a/portalgauss/custom/fleet.yaml b/portalgauss/custom/fleet.yaml
index 455e454912e3b7c5b0600141b441f12408c9d346..3abc3f2ed9adf2aa33dbbd7a651a8ae0aa983bf7 100644
--- a/portalgauss/custom/fleet.yaml
+++ b/portalgauss/custom/fleet.yaml
@@ -38,8 +38,8 @@ helm:
           defaultOption: lrz
       announcement:
         show: true
-        title: "Infrastructure Issues Notice"
-        body: "We are experiencing problems with the underlying infrastructure, which may result in slow website loading and difficulties during the startup process."
+        title: "Upcoming Maintenance: 20 Mar 2025, 08:30 - 18:30"
+        body: "All running JupyterLabs will be stopped during this maintenance."
       systems:
         - JSC-Cloud
         - LRZ