Oracle Large Tables Partially Migrated by SSMA from Oracle to SQL Server

In SSAM ( migration data from Oracle to SQL Server, there are big table with more than 10m records always partially migrated.

The following messages will be seen from SSMA console or SSMA logs.

...
..
.
Execution Timeout Expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.
  Errors: Execution Timeout Expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.
...
..
.

OR

Starting data migration Engine
Starting data migration…
The data migration engine is migrating table '"DBUSER"."CDR"': > [DBPROD].[DBUSER].[CDR], 12129453 rows total
Table "DBUSER"."CDR" data migration: 1215859 rows processed.
Table "DBUSER"."CDR" data migration: 2427701 rows processed.
Table "DBUSER"."CDR" data migration: 3640494 rows processed.
Table "DBUSER"."CDR" data migration: 4852614 rows processed.
Completing migration of table "DBUSER"."CDR"…
Migration complete for table '"DBUSER"."CDR"': > [DBPROD].[DBUSER].[CDR], 5377300 rows migrated (Elapsed Time = 00:00:36:35:747).
Data migration operation has finished.
0 table(s) successfully migrated.
1 table(s) partially migrated.
0 table(s) failed to migrate.

Check the SSMA log ( C:\Users\USERNAME\AppData\Roaming\Microsoft SQL Server Migration Assistant\Oracle\log:

[Error: Datamigrator] [5696/37] [2020-10-31 13:53:37]: Error occurred while adding/enabling the constraints and indexes in bulk load optimization.
[Error: Datamigrator] [5696/37] [2020-10-31 13:53:37]: Exception: Execution Timeout Expired.  The timeout period elapsed prior to completion of the operation or the server is not responding.
 site: Void OnError(System.Data.SqlClient.SqlException, Boolean, System.Action`1[System.Action])
 source: .Net SqlClient Data Provider
 error code: -2146232060
 data: [HelpLink.ProdName] = [Microsoft SQL Server]
 data: [HelpLink.ProdVer] = [14.00.3257]
 data: [HelpLink.EvtSrc] = [MSSQLServer]
 data: [HelpLink.EvtID] = [-2]
 data: [HelpLink.BaseHelpUrl] = [http://go.microsoft.com/fwlink]
 data: [HelpLink.LinkId] = [20476]
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at Microsoft.SSMA.Framework.Generic.DbUtilities.SsmaDbCommand.Execute[T](ExecutionDelegate`1 executionMethod)
   at Microsoft.SSMA.Framework.Generic.DbUtilities.SsmaDbCommand.ExecuteNonQuery()
   at Microsoft.SSMA.Framework.Generic.DefaultDataMigrationEngine.DataMigrationEngineBase`1.ExecuteSPWithParameters(IDbConnection connection, String query, String keyType, ConstraintsActionMode mode, Boolean parallelDM, Boolean bulkLoadOptimize)
   at Microsoft.SSMA.Framework.Generic.DefaultDataMigrationEngine.DataMigrationEngineBase`1.EnableOrDisableNonClusteredIndex(Boolean parallelDM, Boolean isEnable)
   at Microsoft.SSMA.Framework.Generic.DefaultDataMigrationEngine.DataMigrationEngineBase`1.PostBulkLoadOptimization(Boolean parallelDM, Boolean bulkLoadOptimize)
[Error: Datamigrator] [5696/37] [2020-10-31 13:53:37]: Inner Exception #1: The wait operation timed out
 site: 
 source: 
 error code: -2147467259

WORKAROUND

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