diff --git a/src/frontend/src/handler/create_connection.rs b/src/frontend/src/handler/create_connection.rs
index 577b643097a9..634d5ab829db 100644
--- a/src/frontend/src/handler/create_connection.rs
+++ b/src/frontend/src/handler/create_connection.rs
@@ -48,7 +48,7 @@ fn resolve_create_connection_payload(
     return match connection_type.as_str() {
         PRIVATELINK_CONNECTION => Err(RwError::from(ErrorCode::Deprecated(
             "CREATE CONNECTION to Private Link".to_string(),
-            "RisingWave Cloud Portal".to_string(),
+            "RisingWave Cloud Portal (Please refer to the doc https://docs.risingwave.com/cloud/create-a-connection/)".to_string(),
         ))),
         _ => Err(RwError::from(ProtocolError(format!(
             "Connection type \"{connection_type}\" is not supported"
diff --git a/src/meta/service/src/ddl_service.rs b/src/meta/service/src/ddl_service.rs
index 7a5d0f315c7b..863c4ca399ff 100644
--- a/src/meta/service/src/ddl_service.rs
+++ b/src/meta/service/src/ddl_service.rs
@@ -222,11 +222,6 @@ impl DdlService for DdlServiceImpl {
         let req = request.into_inner();
         let source = req.get_source()?.clone();
 
-        // validate connection before starting the DDL procedure
-        if let Some(connection_id) = source.connection_id {
-            self.validate_connection(connection_id).await?;
-        }
-
         match req.fragment_graph {
             None => {
                 let version = self
@@ -288,11 +283,6 @@ impl DdlService for DdlServiceImpl {
         let fragment_graph = req.get_fragment_graph()?.clone();
         let affected_table_change = req.get_affected_table_change().cloned().ok();
 
-        // validate connection before starting the DDL procedure
-        if let Some(connection_id) = sink.connection_id {
-            self.validate_connection(connection_id).await?;
-        }
-
         let stream_job = match &affected_table_change {
             None => StreamingJob::Sink(sink, None),
             Some(change) => {
@@ -739,9 +729,9 @@ impl DdlService for DdlServiceImpl {
         }
 
         return match req.payload.unwrap() {
-            create_connection_request::Payload::PrivateLink(_) => Err(Status::unavailable(
-                "Private Link is deprecated, please use Cloud Portal",
-            )),
+            create_connection_request::Payload::PrivateLink(_) => {
+                panic!("Private Link Connection has been deprecated")
+            }
         };
     }
 
@@ -1034,10 +1024,7 @@ impl DdlServiceImpl {
             .get_connection_by_id(connection_id as _)
             .await?;
         if let Some(connection::Info::PrivateLinkService(_)) = &connection.info {
-            return Err(MetaError::from(MetaErrorInner::Deprecated(
-                "CREATE CONNECTION to Private Link".to_string(),
-                "RisingWave Cloud Portal".to_string(),
-            )));
+            panic!("Private Link Connection has been deprecated")
         }
         Ok(())
     }