diff --git a/drivers/filesystems/btrfs/balance.c b/drivers/filesystems/btrfs/balance.c
index b7794125deb..ecb80adc1b3 100644
--- a/drivers/filesystems/btrfs/balance.c
+++ b/drivers/filesystems/btrfs/balance.c
@@ -3599,7 +3599,11 @@ NTSTATUS start_balance(device_extension* Vcb, void* data, ULONG length, KPROCESS
     Vcb->balance.status = STATUS_SUCCESS;
     KeInitializeEvent(&Vcb->balance.event, NotificationEvent, !Vcb->balance.paused);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&Vcb->balance.thread, 0, &system_thread_attributes, NULL, NULL, balance_thread, Vcb);
+#else
     Status = PsCreateSystemThread(&Vcb->balance.thread, 0, NULL, NULL, NULL, balance_thread, Vcb);
+#endif
     if (!NT_SUCCESS(Status)) {
         ERR("PsCreateSystemThread returned %08x\n", Status);
         return Status;
@@ -3679,7 +3683,11 @@ NTSTATUS look_for_balance_item(_Requires_lock_held_(_Curr_->tree_lock) device_ex
     Vcb->balance.status = STATUS_SUCCESS;
     KeInitializeEvent(&Vcb->balance.event, NotificationEvent, !Vcb->balance.paused);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&Vcb->balance.thread, 0, &system_thread_attributes, NULL, NULL, balance_thread, Vcb);
+#else
     Status = PsCreateSystemThread(&Vcb->balance.thread, 0, NULL, NULL, NULL, balance_thread, Vcb);
+#endif
     if (!NT_SUCCESS(Status)) {
         ERR("PsCreateSystemThread returned %08x\n", Status);
         return Status;
@@ -3876,7 +3884,11 @@ NTSTATUS remove_device(device_extension* Vcb, void* data, ULONG length, KPROCESS
     Vcb->balance.status = STATUS_SUCCESS;
     KeInitializeEvent(&Vcb->balance.event, NotificationEvent, !Vcb->balance.paused);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&Vcb->balance.thread, 0, &system_thread_attributes, NULL, NULL, balance_thread, Vcb);
+#else
     Status = PsCreateSystemThread(&Vcb->balance.thread, 0, NULL, NULL, NULL, balance_thread, Vcb);
+#endif
     if (!NT_SUCCESS(Status)) {
         ERR("PsCreateSystemThread returned %08x\n", Status);
         dev->reloc = false;
diff --git a/drivers/filesystems/btrfs/btrfs.c b/drivers/filesystems/btrfs/btrfs.c
index 2977667de9a..da102a98136 100644
--- a/drivers/filesystems/btrfs/btrfs.c
+++ b/drivers/filesystems/btrfs/btrfs.c
@@ -107,7 +107,9 @@ HANDLE degraded_wait_handle = NULL, mountmgr_thread_handle = NULL;
 bool degraded_wait = true;
 KEVENT mountmgr_thread_event;
 bool shutting_down = false;
-
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+OBJECT_ATTRIBUTES system_thread_attributes = RTL_CONSTANT_OBJECT_ATTRIBUTES(NULL, OBJ_KERNEL_HANDLE);
+#endif
 #ifdef _DEBUG
 PFILE_OBJECT comfo = NULL;
 PDEVICE_OBJECT comdo = NULL;
@@ -4020,7 +4022,11 @@ static NTSTATUS create_calc_threads(_In_ PDEVICE_OBJECT DeviceObject) {
         Vcb->calcthreads.threads[i].DeviceObject = DeviceObject;
         KeInitializeEvent(&Vcb->calcthreads.threads[i].finished, NotificationEvent, false);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+        Status = PsCreateSystemThread(&Vcb->calcthreads.threads[i].handle, 0, &system_thread_attributes, NULL, NULL, calc_thread, &Vcb->calcthreads.threads[i]);
+#else
         Status = PsCreateSystemThread(&Vcb->calcthreads.threads[i].handle, 0, NULL, NULL, NULL, calc_thread, &Vcb->calcthreads.threads[i]);
+#endif
         if (!NT_SUCCESS(Status)) {
             ULONG j;
 
@@ -4826,7 +4832,11 @@ static NTSTATUS mount_vol(_In_ PDEVICE_OBJECT DeviceObject, _In_ PIRP Irp) {
 
     KeInitializeEvent(&Vcb->flush_thread_finished, NotificationEvent, false);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&Vcb->flush_thread_handle, 0, &system_thread_attributes, NULL, NULL, flush_thread, NewDeviceObject);
+#else
     Status = PsCreateSystemThread(&Vcb->flush_thread_handle, 0, NULL, NULL, NULL, flush_thread, NewDeviceObject);
+#endif
     if (!NT_SUCCESS(Status)) {
         ERR("PsCreateSystemThread returned %08x\n", Status);
         goto exit;
@@ -5518,7 +5528,11 @@ static void init_serial(bool first_time) {
         ERR("IoGetDeviceObjectPointer returned %08x\n", Status);
 
         if (first_time) {
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+            Status = PsCreateSystemThread(&serial_thread_handle, 0, &system_thread_attributes, NULL, NULL, serial_thread, NULL);
+#else
             Status = PsCreateSystemThread(&serial_thread_handle, 0, NULL, NULL, NULL, serial_thread, NULL);
+#endif
             if (!NT_SUCCESS(Status)) {
                 ERR("PsCreateSystemThread returned %08x\n", Status);
                 return;
@@ -5990,7 +6004,11 @@ NTSTATUS __stdcall DriverEntry(_In_ PDRIVER_OBJECT DriverObject, _In_ PUNICODE_S
 
     IoInvalidateDeviceRelations(bde->buspdo, BusRelations);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&degraded_wait_handle, 0, &system_thread_attributes, NULL, NULL, degraded_wait_thread, NULL);
+#else
     Status = PsCreateSystemThread(&degraded_wait_handle, 0, NULL, NULL, NULL, degraded_wait_thread, NULL);
+#endif
     if (!NT_SUCCESS(Status))
         WARN("PsCreateSystemThread returned %08x\n", Status);
 
@@ -6013,7 +6031,11 @@ NTSTATUS __stdcall DriverEntry(_In_ PDRIVER_OBJECT DriverObject, _In_ PUNICODE_S
 
     KeInitializeEvent(&mountmgr_thread_event, NotificationEvent, false);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&mountmgr_thread_handle, 0, &system_thread_attributes, NULL, NULL, mountmgr_thread, NULL);
+#else
     Status = PsCreateSystemThread(&mountmgr_thread_handle, 0, NULL, NULL, NULL, mountmgr_thread, NULL);
+#endif
     if (!NT_SUCCESS(Status))
         WARN("PsCreateSystemThread returned %08x\n", Status);
 
diff --git a/drivers/filesystems/btrfs/btrfs_drv.h b/drivers/filesystems/btrfs/btrfs_drv.h
index 67cb24902c7..7e54e067d5d 100644
--- a/drivers/filesystems/btrfs/btrfs_drv.h
+++ b/drivers/filesystems/btrfs/btrfs_drv.h
@@ -1756,6 +1756,8 @@ typedef BOOLEAN (*tCcCopyReadEx)(PFILE_OBJECT FileObject, PLARGE_INTEGER FileOff
 #if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
 typedef struct _ECP_LIST ECP_LIST;
 typedef struct _ECP_LIST *PECP_LIST;
+
+extern OBJECT_ATTRIBUTES system_thread_attributes;
 #endif
 
 typedef VOID (*tCcSetAdditionalCacheAttributesEx)(PFILE_OBJECT FileObject, ULONG Flags);
diff --git a/drivers/filesystems/btrfs/fsctl.c b/drivers/filesystems/btrfs/fsctl.c
index 039e828e962..d4e0ec56501 100644
--- a/drivers/filesystems/btrfs/fsctl.c
+++ b/drivers/filesystems/btrfs/fsctl.c
@@ -4751,7 +4751,11 @@ static NTSTATUS resize_device(device_extension* Vcb, void* data, ULONG len, PIRP
 
             space_list_subtract2(&dev->space, NULL, br->size, delta, NULL, NULL);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+            Status = PsCreateSystemThread(&Vcb->balance.thread, 0, &system_thread_attributes, NULL, NULL, balance_thread, Vcb);
+#else
             Status = PsCreateSystemThread(&Vcb->balance.thread, 0, NULL, NULL, NULL, balance_thread, Vcb);
+#endif
             if (!NT_SUCCESS(Status)) {
                 ERR("PsCreateSystemThread returned %08x\n", Status);
                 goto end;
diff --git a/drivers/filesystems/btrfs/scrub.c b/drivers/filesystems/btrfs/scrub.c
index d1994b7fe63..182f667f301 100644
--- a/drivers/filesystems/btrfs/scrub.c
+++ b/drivers/filesystems/btrfs/scrub.c
@@ -3292,7 +3292,11 @@ NTSTATUS start_scrub(device_extension* Vcb, KPROCESSOR_MODE processor_mode) {
     Vcb->scrub.error = STATUS_SUCCESS;
     KeInitializeEvent(&Vcb->scrub.event, NotificationEvent, !Vcb->scrub.paused);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&Vcb->scrub.thread, 0, &system_thread_attributes, NULL, NULL, scrub_thread, Vcb);
+#else
     Status = PsCreateSystemThread(&Vcb->scrub.thread, 0, NULL, NULL, NULL, scrub_thread, Vcb);
+#endif
     if (!NT_SUCCESS(Status)) {
         ERR("PsCreateSystemThread returned %08x\n", Status);
         return Status;
diff --git a/drivers/filesystems/btrfs/send.c b/drivers/filesystems/btrfs/send.c
index 4737be0a85a..9f51a24b58f 100644
--- a/drivers/filesystems/btrfs/send.c
+++ b/drivers/filesystems/btrfs/send.c
@@ -3810,7 +3810,11 @@ NTSTATUS send_subvol(device_extension* Vcb, void* data, ULONG datalen, PFILE_OBJ
 
     InterlockedIncrement(&Vcb->running_sends);
 
+#if defined(__REACTOS__) && (NTDDI_VERSION < NTDDI_VISTA)
+    Status = PsCreateSystemThread(&send->thread, 0, &system_thread_attributes, NULL, NULL, send_thread, context);
+#else
     Status = PsCreateSystemThread(&send->thread, 0, NULL, NULL, NULL, send_thread, context);
+#endif
     if (!NT_SUCCESS(Status)) {
         ERR("PsCreateSystemThread returned %08x\n", Status);
         ccb->send = NULL;