**AWS Mainframe Modernization self-managed experience** is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization self-managed experience, explore capabilities from vendor-direct offerings and from AWS Transform. Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html). 

**AWS Mainframe Modernization Service (Managed Runtime Environment experience)** is no longer open to new customers. For capabilities similar to AWS Mainframe Modernization Service (Managed Runtime Environment experience) explore AWS Mainframe Modernization Service (Self-Managed Experience). Existing customers can continue to use the service as normal. For more information, see [AWS Mainframe Modernization availability change](https://docs.aws.amazon.com/m2/latest/userguide/mainframe-modernization-availability-change.html). 

# AWS Transform for mainframe Blusam Administration Console
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The Blusam Administration Console (BAC) is a secure web-application for handling Blusam data sets. This guide covers the BAC user interface. For remote management through REST endpoints, see [Blusam application console REST endpoints](ba-endpoints-bac.md).

**Topics**
+ [Deploying the BAC](bac-deployment.md)
+ [Using the BAC](bac-usage.md)
+ [LISTCAT JSON format](ba-shared-bac-listcat-json-format.md)