diff --git a/packages/google-cloud-sql/protos/google/cloud/sql/v1beta4/cloud_sql_resources.proto b/packages/google-cloud-sql/protos/google/cloud/sql/v1beta4/cloud_sql_resources.proto
index 09cd2475cc9..a6060793e89 100644
--- a/packages/google-cloud-sql/protos/google/cloud/sql/v1beta4/cloud_sql_resources.proto
+++ b/packages/google-cloud-sql/protos/google/cloud/sql/v1beta4/cloud_sql_resources.proto
@@ -1276,6 +1276,15 @@ message SqlExternalSyncSettingError {
 
     // Final parallel level that is used to do migration.
     PG_SYNC_PARALLEL_LEVEL = 42;
+
+    // The disk size of the replica instance is smaller than the data size of
+    // the source instance.
+    INSUFFICIENT_DISK_SIZE = 43;
+
+    // The data size of the source instance is greater than 1 TB, the number of
+    // cores of the replica instance is less than 8, and the memory of the
+    // replica is less than 32 GB.
+    INSUFFICIENT_MACHINE_TIER = 44;
   }
 
   // Can be `sql#externalSyncSettingError` or
diff --git a/packages/google-cloud-sql/protos/protos.d.ts b/packages/google-cloud-sql/protos/protos.d.ts
index cb7990bf92b..a9622efb367 100644
--- a/packages/google-cloud-sql/protos/protos.d.ts
+++ b/packages/google-cloud-sql/protos/protos.d.ts
@@ -32528,7 +32528,9 @@ export namespace google {
                         UNABLE_TO_VERIFY_DEFINERS = 39,
                         SUBSCRIPTION_CALCULATION_STATUS = 40,
                         PG_SUBSCRIPTION_COUNT = 41,
-                        PG_SYNC_PARALLEL_LEVEL = 42
+                        PG_SYNC_PARALLEL_LEVEL = 42,
+                        INSUFFICIENT_DISK_SIZE = 43,
+                        INSUFFICIENT_MACHINE_TIER = 44
                     }
                 }
 
diff --git a/packages/google-cloud-sql/protos/protos.js b/packages/google-cloud-sql/protos/protos.js
index bb8bdf2232b..3b547ca82b5 100644
--- a/packages/google-cloud-sql/protos/protos.js
+++ b/packages/google-cloud-sql/protos/protos.js
@@ -80142,6 +80142,8 @@
                                 case 40:
                                 case 41:
                                 case 42:
+                                case 43:
+                                case 44:
                                     break;
                                 }
                             if (message.detail != null && message.hasOwnProperty("detail"))
@@ -80343,6 +80345,14 @@
                             case 42:
                                 message.type = 42;
                                 break;
+                            case "INSUFFICIENT_DISK_SIZE":
+                            case 43:
+                                message.type = 43;
+                                break;
+                            case "INSUFFICIENT_MACHINE_TIER":
+                            case 44:
+                                message.type = 44;
+                                break;
                             }
                             if (object.detail != null)
                                 message.detail = String(object.detail);
@@ -80449,6 +80459,8 @@
                          * @property {number} SUBSCRIPTION_CALCULATION_STATUS=40 SUBSCRIPTION_CALCULATION_STATUS value
                          * @property {number} PG_SUBSCRIPTION_COUNT=41 PG_SUBSCRIPTION_COUNT value
                          * @property {number} PG_SYNC_PARALLEL_LEVEL=42 PG_SYNC_PARALLEL_LEVEL value
+                         * @property {number} INSUFFICIENT_DISK_SIZE=43 INSUFFICIENT_DISK_SIZE value
+                         * @property {number} INSUFFICIENT_MACHINE_TIER=44 INSUFFICIENT_MACHINE_TIER value
                          */
                         SqlExternalSyncSettingError.SqlExternalSyncSettingErrorType = (function() {
                             var valuesById = {}, values = Object.create(valuesById);
@@ -80495,6 +80507,8 @@
                             values[valuesById[40] = "SUBSCRIPTION_CALCULATION_STATUS"] = 40;
                             values[valuesById[41] = "PG_SUBSCRIPTION_COUNT"] = 41;
                             values[valuesById[42] = "PG_SYNC_PARALLEL_LEVEL"] = 42;
+                            values[valuesById[43] = "INSUFFICIENT_DISK_SIZE"] = 43;
+                            values[valuesById[44] = "INSUFFICIENT_MACHINE_TIER"] = 44;
                             return values;
                         })();
     
diff --git a/packages/google-cloud-sql/protos/protos.json b/packages/google-cloud-sql/protos/protos.json
index 37be83233ac..28c1d0d164f 100644
--- a/packages/google-cloud-sql/protos/protos.json
+++ b/packages/google-cloud-sql/protos/protos.json
@@ -7830,7 +7830,9 @@
                             "UNABLE_TO_VERIFY_DEFINERS": 39,
                             "SUBSCRIPTION_CALCULATION_STATUS": 40,
                             "PG_SUBSCRIPTION_COUNT": 41,
-                            "PG_SYNC_PARALLEL_LEVEL": 42
+                            "PG_SYNC_PARALLEL_LEVEL": 42,
+                            "INSUFFICIENT_DISK_SIZE": 43,
+                            "INSUFFICIENT_MACHINE_TIER": 44
                           }
                         }
                       }