diff --git a/live/src/agama-installer.changes b/live/src/agama-installer.changes
index c3e72c238e..692f67914f 100644
--- a/live/src/agama-installer.changes
+++ b/live/src/agama-installer.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Jan 30 14:41:53 UTC 2026 - Imobach Gonzalez Sosa <igonzalezsosa@suse.com>
+
+- Disable self-update for SLE 16 QU1 and later (bsc#1257502).
+
 -------------------------------------------------------------------
 Wed Nov  5 09:17:43 UTC 2025 - Ladislav Slezák <lslezak@suse.com>
 
diff --git a/live/src/config.sh b/live/src/config.sh
index 970ca53bf4..7876920ab0 100644
--- a/live/src/config.sh
+++ b/live/src/config.sh
@@ -111,17 +111,18 @@ touch /etc/udev/rules.d/64-md-raid-assembly.rules
 # the "eurlatgr" is the default font for the English locale
 echo -e "\nFONT=eurlatgr.psfu" >> /etc/vconsole.conf
 
-# configure self-update in SLES
-if [[ "$kiwi_profiles" == *SLE* ]]; then
-  echo "Configuring the installer self-update..."
-  # read the self-update configuration variables
-  . /usr/lib/live-self-update/conf.sh
-  mkdir -p  "$CONFIG_DIR"
-  # the default registration server (SCC) if RMT is not set
-  echo "https://scc.suse.com" > "$CONFIG_DEFAULT_REG_SERVER_FILE"
-  # fallback URL when contacting SCC/RMT fails or no self-update is returned
-  echo 'https://installer-updates.suse.com/SUSE/Products/SLE-INSTALLER/$os_release_version_id/$arch/product/' > "$CONFIG_FALLBACK_FILE"
-fi
+# Disable self-update for SLE 16 quarterly updates.
+# # configure self-update in SLES
+# if [[ "$kiwi_profiles" == *SLE* ]]; then
+#   echo "Configuring the installer self-update..."
+#   # read the self-update configuration variables
+#   . /usr/lib/live-self-update/conf.sh
+#   mkdir -p  "$CONFIG_DIR"
+#   # the default registration server (SCC) if RMT is not set
+#   echo "https://scc.suse.com" > "$CONFIG_DEFAULT_REG_SERVER_FILE"
+#   # fallback URL when contacting SCC/RMT fails or no self-update is returned
+#   echo 'https://installer-updates.suse.com/SUSE/Products/SLE-INSTALLER/$os_release_version_id/$arch/product/' > "$CONFIG_FALLBACK_FILE"
+# fi
 
 ### setup dracut for live system
 arch=$(uname -m)