diff --git a/samples/subsys/nvs/boards/disco_l475_iot1.conf b/samples/subsys/nvs/boards/disco_l475_iot1.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/disco_l475_iot1.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048
diff --git a/samples/subsys/nvs/boards/nucleo_f103rb.conf b/samples/subsys/nvs/boards/nucleo_f103rb.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/nucleo_f103rb.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048
diff --git a/samples/subsys/nvs/boards/nucleo_f103rb.overlay b/samples/subsys/nvs/boards/nucleo_f103rb.overlay
index e803042f2d857..a1483e629a352 100644
--- a/samples/subsys/nvs/boards/nucleo_f103rb.overlay
+++ b/samples/subsys/nvs/boards/nucleo_f103rb.overlay
@@ -9,9 +9,9 @@
 &flash0 {
 	partitions {
 		/* Set 3KB of storage at the end of 128KB flash */
-		storage_partition: partition@1f400 {
+		storage_partition: partition@1f000 {
 			label = "storage";
-			reg = <0x0001f400 DT_SIZE_K(3)>;
+			reg = <0x0001f000 DT_SIZE_K(4)>;
 		};
 	};
 };
diff --git a/samples/subsys/nvs/boards/nucleo_g474re.conf b/samples/subsys/nvs/boards/nucleo_g474re.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/nucleo_g474re.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048
diff --git a/samples/subsys/nvs/boards/nucleo_l152re.conf b/samples/subsys/nvs/boards/nucleo_l152re.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/nucleo_l152re.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048
diff --git a/samples/subsys/nvs/boards/nucleo_wb55rg.conf b/samples/subsys/nvs/boards/nucleo_wb55rg.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/nucleo_wb55rg.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048
diff --git a/samples/subsys/nvs/boards/nucleo_wl55jc.conf b/samples/subsys/nvs/boards/nucleo_wl55jc.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/nucleo_wl55jc.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048
diff --git a/samples/subsys/nvs/boards/stm32f3_disco.conf b/samples/subsys/nvs/boards/stm32f3_disco.conf
new file mode 100644
index 0000000000000..d862c64353b75
--- /dev/null
+++ b/samples/subsys/nvs/boards/stm32f3_disco.conf
@@ -0,0 +1 @@
+CONFIG_MAIN_STACK_SIZE=2048