Runas docs (#60082)

* Mention seclogon requirement in runas docs

* Mention seclogon requirement in Win become docs

docs/docsite/rst/user_guide/become.rst

@@ -694,6 +694,8 @@ Be aware of the following limitations with ``become`` on Windows:
   restriction has been lifted since the 2.4 release of Ansible for all hosts
   except Windows Server 2008 (non R2 version).
   
+* The Secondary Logon service ``seclogon`` must be running to use ``ansible_become_method: runas``
+
 .. seealso::
 
    `Mailing List <https://groups.google.com/forum/#!forum/ansible-project>`_

lib/ansible/plugins/become/runas.py

@@ -55,6 +55,7 @@ DOCUMENTATION = """
     notes:
         - runas is really implemented in the powershell module handler and as such can only be used with winrm connections.
         - This plugin ignores the 'become_exe' setting as it uses an API and not an executable.
+        - The Secondary Logon service (seclogon) must be running to use runas
 """
 
 from ansible.plugins.become import BecomeBase