diff --git a/itchef/cookbooks/cpe_helpers/libraries/cpe_helpers.rb b/itchef/cookbooks/cpe_helpers/libraries/cpe_helpers.rb
index 1d58b0eb..47d7c70e 100644
--- a/itchef/cookbooks/cpe_helpers/libraries/cpe_helpers.rb
+++ b/itchef/cookbooks/cpe_helpers/libraries/cpe_helpers.rb
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-
+include Chef::Mixin::PowershellOut
 module CPE
   class Helpers
     LOGON_REG_KEY =
@@ -269,7 +269,8 @@ def self.last_logged_on_user_from_registry
     end
 
     def self.logged_on_user_sid
-      logged_on_user_registry['LastLoggedOnUserSID']
+      ps_cmd = "Get-LocalUser -Name \"#{logged_on_user_name}\" | Select-Object SID | % { $_.SID.Value }"
+      powershell_out(ps_cmd).stdout.strip
     end
 
     def self.ldap_lookup_script(username)