diff --git a/test/integration/targets/win_nssm/tasks/tests.yml b/test/integration/targets/win_nssm/tasks/tests.yml
index b38884a4642..ecffb2bcb60 100644
--- a/test/integration/targets/win_nssm/tasks/tests.yml
+++ b/test/integration/targets/win_nssm/tasks/tests.yml
@@ -36,6 +36,26 @@
     - (install_service_actual.stdout|from_json).StartMode == 'Auto'
     - (install_service_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
 
+- name: test install service (idempotent)
+  win_nssm:
+    name: '{{ test_service_name }}'
+    application: C:\Windows\System32\cmd.exe
+    state: present
+  register: install_service_again
+
+- name: get result of install service (idempotent)
+  win_shell: '$service = ''{{ test_service_name }}''; {{ test_service_cmd }}'
+  register: install_service_again_actual
+
+- name: assert results of install service (idempotent)
+  assert:
+    that:
+    - install_service_again.changed == false
+    - (install_service_again_actual.stdout|from_json).Exists == true
+    - (install_service_again_actual.stdout|from_json).State == 'Stopped'
+    - (install_service_again_actual.stdout|from_json).StartMode == 'Auto'
+    - (install_service_again_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
+
 - name: install and start service
   win_nssm:
     name: '{{ test_service_name }}'
@@ -88,6 +108,39 @@
     - '"Tcpip" in (install_service_complex_actual.stdout|from_json).Dependencies'
     - '"Dnscache" in (install_service_complex_actual.stdout|from_json).Dependencies'
 
+- name: install and start service with more parameters (idempotent)
+  win_nssm:
+    name: '{{ test_service_name }}'
+    application: C:\Windows\System32\cmd.exe
+    start_mode: manual
+    # Dependencies order should not trigger a change
+    dependencies: 'dnscache tcpip'
+    user: '{{ test_win_nssm_username }}'
+    password: '{{ test_win_nssm_password }}'
+    stdout_file: '{{ test_win_nssm_path }}\log.txt'
+    stderr_file: '{{ test_win_nssm_path }}\error.txt'
+    state: started
+  register: install_service_complex_again
+
+- name: get result of install and start service with more parameters (idempotent)
+  win_shell: '$service = ''{{ test_service_name }}''; {{ test_service_cmd }}'
+  register: install_service_complex_again_actual
+
+- name: assert results of install and start service with more parameters (idempotent)
+  assert:
+    that:
+    - install_service_complex_again.changed == false
+    - (install_service_complex_again_actual.stdout|from_json).Exists == true
+    - (install_service_complex_again_actual.stdout|from_json).State == 'Running'
+    - (install_service_complex_again_actual.stdout|from_json).StartMode == 'Manual'
+    - (install_service_complex_again_actual.stdout|from_json).StartName == '.\\' + test_win_nssm_username
+    - (install_service_complex_again_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
+    - (install_service_complex_again_actual.stdout|from_json).Parameters.AppStdout == test_win_nssm_path + '\\log.txt'
+    - (install_service_complex_again_actual.stdout|from_json).Parameters.AppStderr == test_win_nssm_path + '\\error.txt'
+    - (install_service_complex_again_actual.stdout|from_json).Dependencies|length == 2
+    - '"Tcpip" in (install_service_complex_again_actual.stdout|from_json).Dependencies'
+    - '"Dnscache" in (install_service_complex_again_actual.stdout|from_json).Dependencies'
+
 - name: install service with free form parameters
   win_nssm:
     name: '{{ test_service_name }}'
@@ -108,6 +161,26 @@
     - (free_params_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
     - (free_params_actual.stdout|from_json).Parameters.AppParameters == "-v -Dcom.test.string=value test"
 
+- name: install service with free form parameters (idempotent)
+  win_nssm:
+    name: '{{ test_service_name }}'
+    application: C:\Windows\System32\cmd.exe
+    app_parameters_free_form: '-v -Dcom.test.string=value test'
+    state: present
+  register: free_params_again
+
+- name: get result of install service with free form parameters (idempotent)
+  win_shell: '$service = ''{{ test_service_name }}''; {{ test_service_cmd }}'
+  register: free_params_again_actual
+
+- name: assert results of install service with free form parameters (idempotent)
+  assert:
+    that:
+    - free_params_again.changed == false
+    - (free_params_again_actual.stdout|from_json).Exists == true
+    - (free_params_again_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
+    - (free_params_again_actual.stdout|from_json).Parameters.AppParameters == "-v -Dcom.test.string=value test"
+
 - name: install service with dict parameters
   win_nssm:
     name: '{{ test_service_name }}'
@@ -130,6 +203,28 @@
     - (mixed_params_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
     - (mixed_params_actual.stdout|from_json).Parameters.AppParameters == "bar -file.out output.bat foo True"
 
+- name: install service with dict parameters (idempotent)
+  win_nssm:
+    name: '{{ test_service_name }}'
+    application: C:\Windows\System32\cmd.exe
+    app_parameters:
+      foo: true
+      '-file.out': 'output.bat'
+      _: bar
+  register: mixed_params_again
+
+- name: get result of install service with dict parameters (idempotent)
+  win_shell: '$service = ''{{ test_service_name }}''; {{ test_service_cmd }}'
+  register: mixed_params_again_actual
+
+- name: assert results of install service with dict parameters (idempotent)
+  assert:
+    that:
+    - mixed_params_again.changed == false
+    - (mixed_params_again_actual.stdout|from_json).Exists == true
+    - (mixed_params_again_actual.stdout|from_json).Parameters.Application == "C:\Windows\System32\cmd.exe"
+    - (mixed_params_again_actual.stdout|from_json).Parameters.AppParameters == "bar -file.out output.bat foo True"
+
 - name: remove service
   win_nssm:
     name: '{{ test_service_name }}'
@@ -144,4 +239,20 @@
   assert:
     that:
     - remove_service.changed == true
-    - (remove_service_actual.stdout|from_json).Exists == false
\ No newline at end of file
+    - (remove_service_actual.stdout|from_json).Exists == false
+
+- name: remove service (idempotent)
+  win_nssm:
+    name: '{{ test_service_name }}'
+    state: absent
+  register: remove_service_again
+
+- name: get result of remove service (idempotent)
+  win_shell: '$service = ''{{ test_service_name }}''; {{ test_service_cmd }}'
+  register: remove_service_again_actual
+
+- name: assert results of remove service (idempotent)
+  assert:
+    that:
+    - remove_service_again.changed == false
+    - (remove_service_again_actual.stdout|from_json).Exists == false
\ No newline at end of file