update CHANGELOG

CHANGELOG.md

@@ -42,6 +42,8 @@ BUG FIXES:
       in ".1" [GH-6150]
   - commands/up: the `--provision-with` flag works with provisioner names [GH-5981]
   - communicator/winrm: respect `boot_timeout` setting [GH-6229]
+  - communicator/winrm: execute scheduled tasks immediately on Windows XP
+      since elevation isn't required [GH-6195]
   - guests/debian: graceful shutdown works properly with newer releases [GH-5986]
   - guests/suse: DHCP network interfaces properly configured [GH-6502]
   - provisioners/ansible: use quotes for the `ansible_ssh_private_key_file`

plugins/communicators/winrm/scripts/elevated_shell.ps1.erb

@@ -1,5 +1,8 @@
 param([String]$username, [String]$password, [String]$encoded_command)
 
+# Try to get the Schedule.Service object. If it fails, we are probably
+# on an older version of Windows. On old versions, we can just execute
+# directly since priv. escalation isn't a thing.
 $schedule = $null
 Try {
   $schedule = New-Object -ComObject "Schedule.Service"