diff --git a/monkey/infection_monkey/exploit/tools/wmi_tools.py b/monkey/infection_monkey/exploit/tools/wmi_tools.py
index ab0afdb89..682dfee60 100644
--- a/monkey/infection_monkey/exploit/tools/wmi_tools.py
+++ b/monkey/infection_monkey/exploit/tools/wmi_tools.py
@@ -64,9 +64,13 @@ class WmiTools(object):
                     wmi.CLSID_WbemLevel1Login, wmi.IID_IWbemLevel1Login
                 )
             except Exception as exc:
-                dcom.disconnect()
+                try:
+                    dcom.disconnect()
+                except KeyError:
+                    # No connection to disconnect
+                    pass
 
-                if "rpc_s_access_denied" == exc:
+                if "rpc_s_access_denied" == exc.error_string:
                     raise AccessDeniedException(host, username, password, domain)
 
                 raise