diff --git a/nmi_interface.cpp b/nmi_interface.cpp
new file mode 100644
index 0000000..aea38ae
--- /dev/null
+++ b/nmi_interface.cpp
@@ -0,0 +1,58 @@
+/**
+ * Copyright (C) 2019 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nmi_interface.hpp"
+
+#include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/elog.hpp>
+#include <xyz/openbmc_project/Common/error.hpp>
+
+namespace openpower
+{
+namespace proc
+{
+
+NMI::NMI(sdbusplus::bus::bus& bus, const char* path) :
+    Interface(bus, path), bus(bus), objectPath(path)
+{
+}
+
+void NMI::nMI()
+{
+    using namespace phosphor::logging;
+    using sdbusplus::exception::SdBusError;
+    using InternalFailure =
+        sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
+
+    constexpr auto SYSTEMD_SERVICE = "org.freedesktop.systemd1";
+    constexpr auto SYSTEMD_OBJ_PATH = "/org/freedesktop/systemd1";
+    constexpr auto SYSTEMD_INTERFACE = "org.freedesktop.systemd1.Manager";
+
+    auto method = bus.new_method_call(SYSTEMD_SERVICE, SYSTEMD_OBJ_PATH,
+                                      SYSTEMD_INTERFACE, "StartUnit");
+    method.append("nmi.service", "replace");
+    try
+    {
+        bus.call_noreply(method);
+    }
+    catch (const SdBusError& e)
+    {
+        log<level::ALERT>("Error in starting NMI service. ");
+        report<InternalFailure>();
+    }
+}
+} // namespace proc
+} // namespace openpower