diff --git a/cme/protocols/mssql.py b/cme/protocols/mssql.py
index 1335ceb1..0d6f6635 100755
--- a/cme/protocols/mssql.py
+++ b/cme/protocols/mssql.py
@@ -67,7 +67,7 @@ class mssql(connection):
         except:
             pass
 
-        if self.args.domain:
+        if self.args.no_smb:
             self.domain = self.args.domain
         else:
             try:
diff --git a/cme/protocols/mssql/proto_args.py b/cme/protocols/mssql/proto_args.py
index 77ced9c2..5d28c0a3 100644
--- a/cme/protocols/mssql/proto_args.py
+++ b/cme/protocols/mssql/proto_args.py
@@ -1,11 +1,16 @@
+from argparse import _StoreTrueAction
+
 def proto_args(parser, std_parser, module_parser):
     mssql_parser = parser.add_parser('mssql', help="own stuff using MSSQL", parents=[std_parser, module_parser])
-    dgroup = mssql_parser.add_mutually_exclusive_group()
-    dgroup.add_argument("-d", metavar="DOMAIN", dest='domain', type=str, help="domain name")
-    dgroup.add_argument("--local-auth", action='store_true', help='authenticate locally to each target')
     mssql_parser.add_argument("-H", '--hash', metavar="HASH", dest='hash', nargs='+', default=[], help='NTLM hash(es) or file(s) containing NTLM hashes')
     mssql_parser.add_argument("--port", default=1433, type=int, metavar='PORT', help='MSSQL port (default: 1433)')
     mssql_parser.add_argument("-q", "--query", dest='mssql_query', metavar='QUERY', type=str, help='execute the specified query against the MSSQL DB')
+    no_smb_arg = mssql_parser.add_argument("--no-smb", action=get_conditional_action(_StoreTrueAction), make_required=[], help='No smb connection')
+
+    dgroup = mssql_parser.add_mutually_exclusive_group()
+    domain_arg = dgroup.add_argument("-d", metavar="DOMAIN", dest='domain', type=str, help="domain name")
+    dgroup.add_argument("--local-auth", action='store_true', help='authenticate locally to each target')
+    no_smb_arg.make_required = [domain_arg]
 
     cgroup = mssql_parser.add_argument_group("Command Execution", "options for executing commands")
     cgroup.add_argument('--force-ps32', action='store_true', help='force the PowerShell command to run in a 32-bit process')
@@ -22,4 +27,18 @@ def proto_args(parser, std_parser, module_parser):
     tgroup.add_argument("--put-file", nargs=2, metavar="FILE", help='Put a local file into remote target, ex: whoami.txt C:\\Windows\\Temp\\whoami.txt')
     tgroup.add_argument("--get-file", nargs=2, metavar="FILE", help='Get a remote file, ex: C:\\Windows\\Temp\\whoami.txt whoami.txt')
 
-    return parser
\ No newline at end of file
+    return parser
+
+def get_conditional_action(baseAction):
+    class ConditionalAction(baseAction):
+        def __init__(self, option_strings, dest, **kwargs):
+            x = kwargs.pop('make_required', [])
+            super(ConditionalAction, self).__init__(option_strings, dest, **kwargs)
+            self.make_required = x
+
+        def __call__(self, parser, namespace, values, option_string=None):
+            for x in self.make_required:
+                x.required = True
+            super(ConditionalAction, self).__call__(parser, namespace, values, option_string)
+
+    return ConditionalAction
\ No newline at end of file