diff --git a/src/dll/eventlog.c b/src/dll/eventlog.c
index fb992e9b..c8f3cd0c 100644
--- a/src/dll/eventlog.c
+++ b/src/dll/eventlog.c
@@ -40,12 +40,51 @@ FSP_API VOID FspEventLogV(ULONG Type, PWSTR Format, va_list ap)
 
     WCHAR Buf[1024], *Strings[1];
         /* wvsprintfW is only safe with a 1024 WCHAR buffer */
+    DWORD EventId;
 
     wvsprintfW(Buf, Format, ap);
     Buf[(sizeof Buf / sizeof Buf[0]) - 1] = L'\0';
-
     Strings[0] = Buf;
-    ReportEventW(FspEventLogHandle, (WORD)Type, 0, 1, 0, 1, 0, Strings, 0);
+
+    /*
+     * Event Identifier Format:
+     *
+     *      3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+     *      1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+     *     +---+-+-+-----------------------+-------------------------------+
+     *     |Sev|C|R|     Facility          |               Code            |
+     *     +---+-+-+-----------------------+-------------------------------+
+     *
+     * Sev - Severity:
+     *     00 - Success
+     *     01 - Informational
+     *     10 - Warning
+     *     11 - Error
+     *
+     * C - Customer:
+     *     0 - System code
+     *     1 - Customer code
+     *
+     * R - Reserved
+     *
+     * See https://msdn.microsoft.com/en-us/library/windows/desktop/aa363651(v=vs.85).aspx
+     */
+    switch (Type)
+    {
+    case EVENTLOG_ERROR_TYPE:
+        EventId = 0xd0000001;
+        break;
+    case EVENTLOG_WARNING_TYPE:
+        EventId = 0xc0000001;
+        break;
+    case EVENTLOG_INFORMATION_TYPE:
+    case EVENTLOG_SUCCESS:
+    default:
+        EventId = 0x60000001;
+        break;
+    }
+
+    ReportEventW(FspEventLogHandle, (WORD)Type, 0, EventId, 0, 1, 0, Strings, 0);
 }
 
 static BOOL WINAPI FspEventLogRegisterEventSource(
diff --git a/src/dll/service.c b/src/dll/service.c
index 6f163611..00cfe103 100644
--- a/src/dll/service.c
+++ b/src/dll/service.c
@@ -17,9 +17,6 @@
 
 #include <dll/library.h>
 
-// !!!: NOTIMPLEMENTED
-#define FspEventLog(Type, Message, ...)
-
 enum
 {
     SetStatus_ServiceType               = 0x0001,
@@ -252,6 +249,9 @@ FSP_API VOID FspServiceStop(FSP_SERVICE *Service)
         ServiceStatus.dwWin32ExitCode = Service->ExitCode;
         FspServiceSetStatus(Service,
             SetStatus_CurrentState | SetStatus_Win32ExitCode, &ServiceStatus);
+
+        FspEventLog(EVENTLOG_INFORMATION_TYPE,
+            L"The service %s has been stopped.", Service->ServiceName);
     }
     else
     {
@@ -259,6 +259,9 @@ FSP_API VOID FspServiceStop(FSP_SERVICE *Service)
         FspServiceSetStatus(Service,
             SetStatus_CurrentState | SetStatus_CheckPoint | SetStatus_WaitHint,
             &ServiceStatus);
+
+        FspEventLog(EVENTLOG_ERROR_TYPE,
+            L"The service %s has failed to stop (Status=%lx).", Service->ServiceName, Result);
     }
 }
 
@@ -309,6 +312,9 @@ static VOID FspServiceMain(FSP_SERVICE *Service, DWORD Argc, PWSTR *Argv)
         ServiceStatus.dwControlsAccepted = Service->AcceptControl;
         FspServiceSetStatus(Service,
             SetStatus_CurrentState | SetStatus_ControlsAccepted, &ServiceStatus);
+
+        FspEventLog(EVENTLOG_INFORMATION_TYPE,
+            L"The service %s has been started.", Service->ServiceName);
     }
     else
     {
@@ -316,6 +322,9 @@ static VOID FspServiceMain(FSP_SERVICE *Service, DWORD Argc, PWSTR *Argv)
         ServiceStatus.dwWin32ExitCode = FspWin32FromNtStatus(Result);
         FspServiceSetStatus(Service,
             SetStatus_CurrentState | SetStatus_Win32ExitCode, &ServiceStatus);
+
+        FspEventLog(EVENTLOG_ERROR_TYPE,
+            L"The service %s has failed to start (Status=%lx).", Service->ServiceName, Result);
     }
 }