diff --git a/azure-kusto-data/azure/kusto/data/wellKnownKustoEndpoints.json b/azure-kusto-data/azure/kusto/data/wellKnownKustoEndpoints.json
index d5c244f3..f3ed1bbe 100644
--- a/azure-kusto-data/azure/kusto/data/wellKnownKustoEndpoints.json
+++ b/azure-kusto-data/azure/kusto/data/wellKnownKustoEndpoints.json
@@ -104,6 +104,28 @@
         "adx.loganalytics.azure.fr",
         "adx.monitor.azure.fr"
       ]
+    },
+    "https://login.sovcloud-identity.de": {
+      "AllowedKustoSuffixes": [
+        ".kusto.sovcloud-api.de",
+        ".kustomfa.sovcloud-api.de"
+      ],
+      "AllowedKustoHostnames": [
+        "adx.applicationinsights.azure.de",
+        "adx.loganalytics.azure.de",
+        "adx.monitor.azure.de"
+      ]
+    },
+    "https://login.sovcloud-identity.sg": {
+      "AllowedKustoSuffixes": [
+        ".kusto.sovcloud-api.sg",
+        ".kustomfa.sovcloud-api.sg"
+      ],
+      "AllowedKustoHostnames": [
+        "adx.applicationinsights.azure.sg",
+        "adx.loganalytics.azure.sg",
+        "adx.monitor.azure.sg"
+      ]
     }
   }
 }
diff --git a/azure-kusto-data/tests/test_well_known_kusto_endpoints.py b/azure-kusto-data/tests/test_well_known_kusto_endpoints.py
index f8a0a72c..958ffcb2 100644
--- a/azure-kusto-data/tests/test_well_known_kusto_endpoints.py
+++ b/azure-kusto-data/tests/test_well_known_kusto_endpoints.py
@@ -126,10 +126,9 @@ def test_well_known_kusto_endpoints_national_clouds():
         "https://kustofrbwrznltavls.kusto.usgovcloudapi.net,https://login.microsoftonline.us",
         "https://kusto7j53clqswr4he.kusto.core.eaglex.ic.gov,https://login.microsoftonline.eaglex.ic.gov",
         "https://rpe2e0422132101fct2.kusto.core.microsoft.scloud,https://login.microsoftonline.microsoft.scloud",
-        "https://kustozszokb5yrauyq.kusto.chinacloudapi.cn,{0}".format(CHINA_CLOUD_LOGIN),
-        "https://kustofrbwrznltavls.kusto.usgovcloudapi.net,https://login.microsoftonline.us",
-        "https://kusto7j53clqswr4he.kusto.core.eaglex.ic.gov,https://login.microsoftonline.eaglex.ic.gov",
-        "https://rpe2e0422132101fct2.kusto.core.microsoft.scloud,https://login.microsoftonline.microsoft.scloud",
+        "https://abc.kusto.sovcloud-api.fr,https://login.sovcloud-identity.fr",
+        "https://efg.kusto.sovcloud-api.de,https://login.sovcloud-identity.de",
+        "https://hij.kusto.sovcloud-api.sg,https://login.sovcloud-identity.sg"
     ]:
         cluster_and_login_endpoint = c.split(",")
         _validate_endpoint(cluster_and_login_endpoint[0], cluster_and_login_endpoint[1])
diff --git a/azure-kusto-ingest/azure/kusto/ingest/managed_streaming_ingest_client.py b/azure-kusto-ingest/azure/kusto/ingest/managed_streaming_ingest_client.py
index 942a9faf..8b978371 100644
--- a/azure-kusto-ingest/azure/kusto/ingest/managed_streaming_ingest_client.py
+++ b/azure-kusto-ingest/azure/kusto/ingest/managed_streaming_ingest_client.py
@@ -9,7 +9,7 @@
 from azure.core.tracing import SpanKind
 
 from azure.kusto.data import KustoConnectionStringBuilder
-from azure.kusto.data.exceptions import KustoApiError, KustoClosedError
+from azure.kusto.data.exceptions import KustoApiError, KustoClosedError, KustoThrottlingError
 from azure.kusto.data._telemetry import MonitoredActivity
 
 from . import BlobDescriptor, FileDescriptor, IngestionProperties, StreamDescriptor
@@ -99,6 +99,8 @@ def ingest_from_stream(self, stream_descriptor: Union[StreamDescriptor, IO[AnySt
             if error.permanent:
                 raise
             buffered_stream.seek(0, SEEK_SET)
+        except KustoThrottlingError:
+            _ = buffered_stream.seek(0, SEEK_SET)
 
         return self.queued_client.ingest_from_stream(stream_descriptor, ingestion_properties)
 
@@ -127,6 +129,8 @@ def ingest_from_blob(self, blob_descriptor: BlobDescriptor, ingestion_properties
             error = ex.get_api_error()
             if error.permanent:
                 raise
+        except KustoThrottlingError:
+            pass
 
         return self.queued_client.ingest_from_blob(blob_descriptor, ingestion_properties)