> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getcollate.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Ranger Troubleshooting

## Connection Issues

* Verify that the Apache Ranger Admin service is running and accessible
* Check network connectivity between OpenMetadata and Apache Ranger
* Ensure the provided credentials have the necessary write permissions for tags and policies

## Authentication Issues

* Verify username and password for basic authentication
* Ensure the user account is active and has proper permissions in Apache Ranger

## Reverse Metadata Issues

* Verify that the service name in Apache Ranger matches exactly with the service name in OpenMetadata
* Check if the user has write permissions for tag and policy management in Ranger
* Ensure that the source service (Trino, etc.) is properly configured in OpenMetadata before setting up reverse metadata

## API Access Issues

* Verify that the user has write access to Apache Ranger APIs for tags and policies
* Check if the Apache Ranger API endpoints are enabled and accessible
* Ensure proper permissions are granted for policy and tag management operations