diff --git a/lib/ansible/modules/windows/win_nssm.ps1 b/lib/ansible/modules/windows/win_nssm.ps1
index 7d6fe43ae3..56e57c37cf 100644
--- a/lib/ansible/modules/windows/win_nssm.ps1
+++ b/lib/ansible/modules/windows/win_nssm.ps1
@@ -35,7 +35,7 @@ $state = Get-AnsibleParam -obj $params -name "state" -type "str" -default "prese
 $application = Get-AnsibleParam -obj $params -name "application" -type "str"
 $appParameters = Get-AnsibleParam -obj $params -name "app_parameters" -type "str"
 $appParametersFree  = Get-AnsibleParam -obj $params -name "app_parameters_free_form" -type "str"
-$startMode = Get-AnsibleParam -obj $params -name "start_mode" -type "str" -default "auto" -validateset "auto","manual","disabled" -resultobj $result
+$startMode = Get-AnsibleParam -obj $params -name "start_mode" -type "str" -default "auto" -validateset "auto","delayed","manual","disabled" -resultobj $result
 
 $stdoutFile = Get-AnsibleParam -obj $params -name "stdout_file" -type "str"
 $stderrFile = Get-AnsibleParam -obj $params -name "stderr_file" -type "str"
@@ -502,7 +502,7 @@ Function Nssm-Update-StartMode
         Throw "Error updating start mode for service ""$name"""
     }
 
-    $modes=@{"auto" = "SERVICE_AUTO_START"; "manual" = "SERVICE_DEMAND_START"; "disabled" = "SERVICE_DISABLED"}
+    $modes=@{"auto" = "SERVICE_AUTO_START"; "delayed" = "SERVICE_DELAYED_AUTO_START"; "manual" = "SERVICE_DEMAND_START"; "disabled" = "SERVICE_DISABLED"}
     $mappedMode = $modes.$mode
     if ($results -cnotlike $mappedMode) {
         $cmd = "set ""$name"" Start $mappedMode"
diff --git a/lib/ansible/modules/windows/win_nssm.py b/lib/ansible/modules/windows/win_nssm.py
index ba956fd015..ebf110dba6 100644
--- a/lib/ansible/modules/windows/win_nssm.py
+++ b/lib/ansible/modules/windows/win_nssm.py
@@ -87,17 +87,21 @@ options:
       - Password to be used for service startup
   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.
+      - If C(auto) is selected, the service will start at bootup.
+      - C(delayed) causes a delayed but automatic start after boot (added in version 2.5).
+      - 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.
     default: auto
     choices:
       - auto
+      - delayed
       - manual
       - disabled
 author:
   - "Adam Keech (@smadam813)"
   - "George Frank (@georgefrank)"
   - "Hans-Joachim Kliemeck (@h0nIg)"
+  - "Michael Wild (@themiwi)"
 '''
 
 EXAMPLES = r'''