Resolving cross-region model access errors on Amazon Bedrock
- Updated: 2025/03/06
Amazon Bedrock model access can involve cross-region connections. Attempting to register a model from a different region than your current AWS region (for example, US East 1 to US West 2) can trigger an error. This topic will help troubleshoot if you counter that problem.
Prerequisites
- Amazon Bedrock model access granted: Ensure that the specific models you intend to use have access granted in your environment.
- Postman or equivalent: Access to Postman or a similar tool to interact with the Custom model creation API.
- AWS credentials: You should have your AWS credentials (access key and secret key) available to authenticate with Bedrock.
- Cross-region inference awareness: An understanding of the concept of cross-region inference in Bedrock, where models can be deployed in regions different from the one you are currently operating in.
When attempting to register a model on AWS Bedrock across regions, you can encounter an error message detailing a cross-region access conflict. This error as shown below, includes a userdefined URL and the target model's region, signifies that you are accessing a model outside your current region.The following steps outline how to resolve the error.
Example of the error message:

