diff --git a/windows/win_nssm.ps1 b/windows/win_nssm.ps1
index 841bc3aa3fd..99a61d12a90 100644
--- a/windows/win_nssm.ps1
+++ b/windows/win_nssm.ps1
@@ -2,6 +2,8 @@
 # This file is part of Ansible
 #
 # Copyright 2015, George Frank <george@georgefrank.net>
+# Copyright 2015, Adam Keech
+# Copyright 2015, Hans-Joachim Kliemeck <git@kliemeck.de>
 #
 # Ansible is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -22,69 +24,23 @@ $ErrorActionPreference = "Stop"
 # POWERSHELL_COMMON
 
 $params = Parse-Args $args;
+
 $result = New-Object PSObject;
 Set-Attr $result "changed" $false;
 
+$name = Get-Attr $params "name" -failifempty $true
+$state = Get-Attr $params "state" "present" -validateSet "present", "absent", "started", "stopped", "restarted" -resultobj $result
 
-If ($params.name)
-{
-    $name = $params.name
-}
-Else
-{
-    Fail-Json $result "missing required argument: name"
-}
-
-If ($params.state)
-{
-    $state = $params.state.ToString().ToLower()
-    $validStates = "present", "absent", "started", "stopped", "restarted"
-
-    If ($validStates -notcontains $state)
-    {
-        Fail-Json $result "state is $state; must be one of: $validStates"
-    }
-}
-else
-{
-    $state = "present"
-}
-
-If ($params.application)
-{
-    $application = $params.application
-}
-Else
-{
-    $application = $null
-}
+$application = Get-Attr $params "application" $null
+$appParameters = Get-Attr $params "app_parameters" $null
+$startMode = Get-Attr $params "start_mode" "auto" -validateSet "auto", "manual", "disabled" -resultobj $result
 
-If ($params.app_parameters)
-{
-    $appParameters = $params.app_parameters
-}
-Else
-{
-    $appParameters = $null
-}
+$stdoutFile = Get-Attr $params "stdout_file" $null
+$stderrFile = Get-Attr $params "stderr_file" $null
+$dependencies = Get-Attr $params "dependencies" $null
 
-If ($params.stdout_file)
-{
-    $stdoutFile = $params.stdout_file
-}
-Else
-{
-    $stdoutFile = $null
-}
-
-If ($params.stderr_file)
-{
-    $stderrFile = $params.stderr_file
-}
-Else
-{
-    $stderrFile = $null
-}
+$user = Get-Attr $params "user" $null
+$password = Get-Attr $params "password" $null
 
 Function Service-Exists
 {
@@ -365,6 +321,126 @@ Function Nssm-Set-Ouput-Files
     $results = invoke-expression $cmd
 }
 
+Function Nssm-Update-Credentials
+{
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory=$true)]
+        [string]$name,
+        [Parameter(Mandatory=$false)]
+        [string]$user,
+        [Parameter(Mandatory=$false)]
+        [string]$password
+    )
+
+    $cmd = "nssm get ""$name"" ObjectName"
+    $results = invoke-expression $cmd
+
+    if ($LastExitCode -ne 0)
+    {
+        Set-Attr $result "nssm_error_cmd" $cmd
+        Set-Attr $result "nssm_error_log" "$results"
+        Throw "Error updating credentials for service ""$name"""
+    }
+
+    if ($user -ne $null) {
+        If ($password -eq $null) {
+            Throw "User without password is informed for service ""$name"""
+        }
+
+        $fullUser = $user
+        If (-Not($user -contains "@") -And ($user.Split("\").count -eq 1)) {
+            $fullUser = ".\" + $user
+        }
+
+        If ($results -ne $fullUser) {
+            $cmd = "nssm set ""$name"" ObjectName $fullUser $password"
+            $results = invoke-expression $cmd
+
+            if ($LastExitCode -ne 0)
+            {
+                Set-Attr $result "nssm_error_cmd" $cmd
+                Set-Attr $result "nssm_error_log" "$results"
+                Throw "Error updating credentials for service ""$name"""
+            }
+
+            $result.changed = $true
+        }
+    }
+}
+
+Function Nssm-Update-Dependencies
+{
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory=$true)]
+        [string]$name,
+        [Parameter(Mandatory=$false)]
+        [string]$dependencies
+    )
+
+    $cmd = "nssm get ""$name"" DependOnService"
+    $results = invoke-expression $cmd
+
+    if ($LastExitCode -ne 0)
+    {
+        Set-Attr $result "nssm_error_cmd" $cmd
+        Set-Attr $result "nssm_error_log" "$results"
+        Throw "Error updating dependencies for service ""$name"""
+    }
+
+    If (($dependencies -ne $null) -And ($results.Tolower() -ne $dependencies.Tolower())) {
+        $cmd = "nssm set ""$name"" DependOnService $dependencies"
+        $results = invoke-expression $cmd
+
+        if ($LastExitCode -ne 0)
+        {
+            Set-Attr $result "nssm_error_cmd" $cmd
+            Set-Attr $result "nssm_error_log" "$results"
+            Throw "Error updating dependencies for service ""$name"""
+        }
+
+        $result.changed = $true
+    }
+}
+
+Function Nssm-Update-StartMode
+{
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory=$true)]
+        [string]$name,
+        [Parameter(Mandatory=$true)]
+        [string]$mode
+    )
+
+    $cmd = "nssm get ""$name"" Start"
+    $results = invoke-expression $cmd
+
+    if ($LastExitCode -ne 0)
+    {
+        Set-Attr $result "nssm_error_cmd" $cmd
+        Set-Attr $result "nssm_error_log" "$results"
+        Throw "Error updating start mode for service ""$name"""
+    }
+
+    $modes=@{"auto" = "SERVICE_AUTO_START"; "manual" = "SERVICE_DEMAND_START"; "disabled" = "SERVICE_DISABLED"}
+    $mappedMode = $modes.$mode
+    if ($mappedMode -ne $results) {
+        $cmd = "nssm set ""$name"" Start $mappedMode"
+        $results = invoke-expression $cmd
+
+        if ($LastExitCode -ne 0)
+        {
+            Set-Attr $result "nssm_error_cmd" $cmd
+            Set-Attr $result "nssm_error_log" "$results"
+            Throw "Error updating start mode for service ""$name"""
+        }
+
+        $result.changed = $true
+    }
+}
+
 Function Nssm-Get-Status
 {
     [CmdletBinding()]
@@ -508,23 +584,35 @@ Try
             Nssm-Install -name $name -application $application
             Nssm-Update-AppParameters -name $name -appParameters $appParameters
             Nssm-Set-Ouput-Files -name $name -stdout $stdoutFile -stderr $stderrFile
+            Nssm-Update-Dependencies -name $name -dependencies $dependencies
+            Nssm-Update-Credentials -name $name -user $user -password $password
+            Nssm-Update-StartMode -name $name -mode $startMode
         }
         "started" {
             Nssm-Install -name $name -application $application
             Nssm-Update-AppParameters -name $name -appParameters $appParameters
             Nssm-Set-Ouput-Files -name $name -stdout $stdoutFile -stderr $stderrFile
+            Nssm-Update-Dependencies -name $name -dependencies $dependencies
+            Nssm-Update-Credentials -name $name -user $user -password $password
+            Nssm-Update-StartMode -name $name -mode $startMode
             Nssm-Start -name $name
         }
         "stopped" {
             Nssm-Install -name $name -application $application
             Nssm-Update-AppParameters -name $name -appParameters $appParameters
             Nssm-Set-Ouput-Files -name $name -stdout $stdoutFile -stderr $stderrFile
+            Nssm-Update-Dependencies -name $name -dependencies $dependencies
+            Nssm-Update-Credentials -name $name -user $user -password $password
+            Nssm-Update-StartMode -name $name -mode $startMode
             Nssm-Stop -name $name
         }
         "restarted" {
             Nssm-Install -name $name -application $application
             Nssm-Update-AppParameters -name $name -appParameters $appParameters
             Nssm-Set-Ouput-Files -name $name -stdout $stdoutFile -stderr $stderrFile
+            Nssm-Update-Dependencies -name $name -dependencies $dependencies
+            Nssm-Update-Credentials -name $name -user $user -password $password
+            Nssm-Update-StartMode -name $name -mode $startMode
             Nssm-Restart -name $name
         }
     }
diff --git a/windows/win_nssm.py b/windows/win_nssm.py
index b3925f0fd50..98be076a48b 100644
--- a/windows/win_nssm.py
+++ b/windows/win_nssm.py
@@ -71,16 +71,46 @@ options:
       - Parameters to be passed to the application when it starts
     required: false
     default: null
+  dependencies:
+    description:
+      - Service dependencies that has to be started to trigger startup, separated by comma.
+    required: false
+    default: null
+  user:
+    description:
+      - User to be used for service startup
+    required: false
+    default: null
+  password:
+    description:
+      - Password to be used for service startup
+    required: false
+    default: null
+  password:
+    description:
+      - Password to be used for service startup
+    required: false
+    default: null
+  start_mode:
+    description:
+      - If C(auto) is selected, the service will start at bootup. C(manual) means that the service will start only when another service needs it. C(disabled) means that the service will stay off, regardless if it is needed or not.
+    required: true
+    default: auto
+    choices:
+      - auto
+      - manual
+      - disabled
 author:
   - "Adam Keech (@smadam813)"
   - "George Frank (@georgefrank)"
+  - "Hans-Joachim Kliemeck (@h0nIg)"
 '''
 
 EXAMPLES = '''
 # Install and start the foo service
 - win_nssm:
     name: foo
-    application: C:\windowsk\\foo.exe
+    application: C:\windows\\foo.exe
 
 # Install and start the foo service with a key-value pair argument
 # This will yield the following command: C:\windows\\foo.exe bar "true"
@@ -122,6 +152,26 @@ EXAMPLES = '''
     stdout_file: C:\windows\\foo.log
     stderr_file: C:\windows\\foo.log
 
+# Install and start the foo service, but wait for dependencies tcpip and adf
+- win_nssm:
+    name: foo
+    application: C:\windows\\foo.exe
+    dependencies: 'adf,tcpip'
+
+# Install and start the foo service with dedicated user
+- win_nssm:
+    name: foo
+    application: C:\windows\\foo.exe
+    user: foouser
+    password: secret
+
+# Install the foo service but do not start it automatically
+- win_nssm:
+    name: foo
+    application: C:\windows\\foo.exe
+    state: present
+    start_mode: manual
+
 # Remove the foo service
 - win_nssm:
     name: foo