diff --git a/modules/mcuboot/boot/zephyr/Kconfig b/modules/mcuboot/boot/zephyr/Kconfig
index da8d83d1a067..ad2946b59072 100644
--- a/modules/mcuboot/boot/zephyr/Kconfig
+++ b/modules/mcuboot/boot/zephyr/Kconfig
@@ -106,7 +106,7 @@ config BOOT_ERASE_PROGRESSIVELY
 
 config BOOT_IMAGE_ACCESS_HOOKS
 	bool
-	default y if MCUBOOT_NETWORK_CORE_IMAGE_NUMBER != -1
+	default y if MCUBOOT_NETWORK_CORE_IMAGE_NUMBER != -1 && SOC_NRF5340_CPUAPP
 	depends on MCUBOOT
 
 config BOOT_IMAGE_ACCESS_HOOK_NRF5340
diff --git a/sysbuild/Kconfig.mcuboot b/sysbuild/Kconfig.mcuboot
index 58342423dff1..7908e0d0a77a 100644
--- a/sysbuild/Kconfig.mcuboot
+++ b/sysbuild/Kconfig.mcuboot
@@ -68,6 +68,7 @@ config MCUBOOT_APPLICATION_IMAGE_NUMBER
 config MCUBOOT_NETWORK_CORE_IMAGE_NUMBER
 	int
 	default 1 if NETCORE_APP_UPDATE && !MCUBOOT_MODE_SINGLE_APP
+	default 1 if BOOTLOADER_MCUBOOT && !NETCORE_NONE && SOC_NRF54H20
 	default -1
 
 config MCUBOOT_WIFI_PATCHES_IMAGE_NUMBER
diff --git a/sysbuild/Kconfig.netcore b/sysbuild/Kconfig.netcore
index baf59c038af6..e3ea627cc90b 100644
--- a/sysbuild/Kconfig.netcore
+++ b/sysbuild/Kconfig.netcore
@@ -18,7 +18,8 @@ config SUPPORT_NETCORE
 config NETCORE_REMOTE_BOARD_TARGET_CPUCLUSTER
 	string
 	default "cpunet" if SOC_NRF5340_CPUAPP
-	default "cpurad" if SOC_NRF54H20_CPUAPP
+	default "cpurad" if SOC_NRF54H20_CPUAPP && !SOC_NRF54H20_IRON
+	default "cpurad/iron" if SOC_NRF54H20_IRON
 
 config NETCORE_REMOTE_DOMAIN
 	string
diff --git a/sysbuild/netcore.cmake b/sysbuild/netcore.cmake
index 69681bc86948..c56b754badac 100644
--- a/sysbuild/netcore.cmake
+++ b/sysbuild/netcore.cmake
@@ -21,6 +21,11 @@ if(SB_CONFIG_SUPPORT_NETCORE AND NOT SB_CONFIG_NETCORE_NONE AND DEFINED SB_CONFI
     BOARD ${board_target_netcore}
     BOARD_REVISION ${BOARD_REVISION}
   )
+  if(SB_CONFIG_BOOTLOADER_MCUBOOT AND SB_CONFIG_SOC_NRF54H20_IRON)
+    set_target_properties(${SB_CONFIG_NETCORE_IMAGE_NAME} PROPERTIES
+      IMAGE_CONF_SCRIPT ${ZEPHYR_BASE}/share/sysbuild/image_configurations/MAIN_image_default.cmake
+    )
+  endif()
 
   if(NOT "${SB_CONFIG_NETCORE_IMAGE_DOMAIN}" IN_LIST PM_DOMAINS)
     list(APPEND PM_DOMAINS ${SB_CONFIG_NETCORE_IMAGE_DOMAIN})