diff --git a/lib/ansible/modules/extras/windows/win_nssm.ps1 b/lib/ansible/modules/extras/windows/win_nssm.ps1
index 915a3889e17..99a61d12a90 100644
--- a/lib/ansible/modules/extras/windows/win_nssm.ps1
+++ b/lib/ansible/modules/extras/windows/win_nssm.ps1
@@ -33,6 +33,7 @@ $state = Get-Attr $params "state" "present" -validateSet "present", "absent", "s
 
 $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
 
 $stdoutFile = Get-Attr $params "stdout_file" $null
 $stderrFile = Get-Attr $params "stderr_file" $null
@@ -403,6 +404,43 @@ Function Nssm-Update-Dependencies
     }
 }
 
+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()]
@@ -548,6 +586,7 @@ Try
             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
@@ -555,6 +594,7 @@ Try
             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" {
@@ -563,6 +603,7 @@ Try
             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" {
@@ -571,6 +612,7 @@ Try
             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/lib/ansible/modules/extras/windows/win_nssm.py b/lib/ansible/modules/extras/windows/win_nssm.py
index 94d4079e786..1f42f21f45a 100644
--- a/lib/ansible/modules/extras/windows/win_nssm.py
+++ b/lib/ansible/modules/extras/windows/win_nssm.py
@@ -86,6 +86,19 @@ options:
       - 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: false
+    choices:
+      - auto
+      - manual
+      - disabled
 author:
   - "Adam Keech (@smadam813)"
   - "George Frank (@georgefrank)"
@@ -151,6 +164,13 @@ EXAMPLES = '''
     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