# Migrating your schema
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This section explains how you can migrate your Apache Solr schema configurations to Amazon OpenSearch Service. This migration process helps you transition your Solr schema configuration to OpenSearch Index.

**Prerequisites**

Before you start the schema migration, make sure that you have:
+ Access to your Solr schema configuration files.
+ A complete understanding of your current schema usage.
+ An inventory of custom field types and analyzers.
+ A test environment for validation.

**Topics**
+ [Solr schema](solr-schema.md)
+ [OpenSearch index](opensearch-index.md)
+ [Migration flow](schema-migration-flow.md)