# Supported Regions and DB engines for Active Directory authentication in Amazon RDS
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RDS for MySQL supports external authentication of database users with Microsoft Active Directory. Unlike the ticket-based Kerberos authentication used by other Amazon RDS engines, RDS for MySQL uses password-based Active Directory authentication through Pluggable Authentication Modules (PAM). For more information, see [Using Active Directory authentication for Amazon RDS for MySQL](mysql-ad-authentication.md).

**Topics**
+ [Active Directory authentication with RDS for MySQL](#Concepts.RDS_Fea_Regions_DB-eng.Feature.ActiveDirectoryAuthentication.my)

## Active Directory authentication with RDS for MySQL
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The following Regions and engine versions are available for Active Directory authentication with RDS for MySQL.


| Region | RDS for MySQL 8.4 | RDS for MySQL 8.0 | RDS for MySQL 5.7 (under RDS Extended Support) | 
| --- | --- | --- | --- | 
| US East (N. Virginia) | All versions | All versions | All versions | 
| US East (Ohio) | All versions | All versions | All versions | 
| US West (N. California) | All versions | All versions | All versions | 
| US West (Oregon) | All versions | All versions | All versions | 
| Africa (Cape Town) | All versions | All versions | All versions | 
| Asia Pacific (Hong Kong) | All versions | All versions | All versions | 
| Asia Pacific (Hyderabad) | All versions | All versions | All versions | 
| Asia Pacific (Jakarta) | All versions | All versions | All versions | 
| Asia Pacific (Malaysia) | All versions | All versions | All versions | 
| Asia Pacific (Melbourne) | All versions | All versions | All versions | 
| Asia Pacific (Mumbai) | All versions | All versions | All versions | 
| Asia Pacific (New Zealand) | All versions | All versions | All versions | 
| Asia Pacific (Osaka) | All versions | All versions | All versions | 
| Asia Pacific (Seoul) | All versions | All versions | All versions | 
| Asia Pacific (Singapore) | All versions | All versions | All versions | 
| Asia Pacific (Sydney) | All versions | All versions | All versions | 
| Asia Pacific (Taipei) | All versions | All versions | All versions | 
| Asia Pacific (Thailand) | All versions | All versions | All versions | 
| Asia Pacific (Tokyo) | All versions | All versions | All versions | 
| Canada (Central) | All versions | All versions | All versions | 
| Canada West (Calgary) | All versions | All versions | All versions | 
| China (Beijing) | All versions | All versions | All versions | 
| China (Ningxia) | All versions | All versions | All versions | 
| Europe (Frankfurt) | All versions | All versions | All versions | 
| Europe (Ireland) | All versions | All versions | All versions | 
| Europe (London) | All versions | All versions | All versions | 
| Europe (Milan) | All versions | All versions | All versions | 
| Europe (Paris) | All versions | All versions | All versions | 
| Europe (Spain) | All versions | All versions | All versions | 
| Europe (Stockholm) | All versions | All versions | All versions | 
| Europe (Zurich) | All versions | All versions | All versions | 
| Israel (Tel Aviv) | All versions | All versions | All versions | 
| Mexico (Central) | All versions | All versions | All versions | 
| Middle East (Bahrain) | All versions | All versions | All versions | 
| Middle East (UAE) | All versions | All versions | All versions | 
| South America (São Paulo) | All versions | All versions | All versions | 
| AWS GovCloud (US-East) | All versions | All versions | All versions | 
| AWS GovCloud (US-West) | All versions | All versions | All versions |