diff --git a/frappe/data_migration/doctype/data_migration_run/data_migration_run.py b/frappe/data_migration/doctype/data_migration_run/data_migration_run.py
index a38699f01f..cd446d2a56 100644
--- a/frappe/data_migration/doctype/data_migration_run/data_migration_run.py
+++ b/frappe/data_migration/doctype/data_migration_run/data_migration_run.py
@@ -138,7 +138,6 @@ class DataMigrationRun(Document):
 		if postprocess_method_path:
 			frappe.get_attr(postprocess_method_path)({
 				"status": status,
-				"remote_id": self.remote_id or '',
 				"stats": {
 					"push_insert": self.push_insert,
 					"push_update": self.push_update,
diff --git a/frappe/frappeclient.py b/frappe/frappeclient.py
index e323ffb7c6..7d12267681 100644
--- a/frappe/frappeclient.py
+++ b/frappe/frappeclient.py
@@ -15,12 +15,15 @@ class FrappeException(Exception):
 	pass
 
 class FrappeClient(object):
-	def __init__(self, url, username, password, verify=True):
+	def __init__(self, url, username=None, password=None, verify=True):
 		self.headers = dict(Accept='application/json')
 		self.verify = verify
 		self.session = requests.session()
 		self.url = url
-		self._login(username, password)
+
+		# for guest connection
+		if username:
+			self._login(username, password)
 
 	def __enter__(self):
 		return self