diff --git a/posthog/temporal/data_imports/external_data_job.py b/posthog/temporal/data_imports/external_data_job.py
index c5ebd4dddf197..916da24a1dbb2 100644
--- a/posthog/temporal/data_imports/external_data_job.py
+++ b/posthog/temporal/data_imports/external_data_job.py
@@ -51,8 +51,12 @@
         "FATAL: Tenant or user not found",
         "error received from server in SCRAM exchange: Wrong password",
         "could not translate host name",
+        "timeout expired connection to server at",
+        "password authentication failed for user",
+        "No primary key defined for table",
     ],
     ExternalDataSource.Type.ZENDESK: ["404 Client Error: Not Found for url", "403 Client Error: Forbidden for url"],
+    ExternalDataSource.Type.MYSQL: ["Can't connect to MySQL server on", "No primary key defined for table"],
 }