# Understanding IBM Db2 for z/OS to Amazon RDS for PostgreSQL conversion settings
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**Note**  
The AWS Management Console does not support creating migration projects in DMS Schema Conversion that use IBM Db2 for z/OS as a source data provider with Amazon RDS for PostgreSQL as a target data provider. Use the AWS CLI or DMS Schema Conversion API instead. 

IBM Db2 for z/OS to Amazon RDS for PostgreSQL conversion settings in DMS Schema Conversion include the following:
+  **Comments in converted SQL code**: This setting includes comments in the converted code for the action items of the selected severity and higher. This setting supports the following values: 
  + Errors only
  + Errors and warnings
  + All messages