# Troubleshooting Elastic Disaster Recovery
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Use this section to troubleshoot issues with AWS Elastic Disaster Recovery. Find the category that matches your issue below.


| If you are experiencing... | See | 
| --- | --- | 
| Agent installer failures, prerequisites not met, or agent not starting | [Agent installation](troubleshooting-agent-issues.md) | 
| Replication stalled, disconnected, lagging, or showing error codes in the console | [Replication errors](troubleshooting-replication.md) | 
| Recovery drill or failover launch failures, conversion errors, or post-launch issues | [Launch errors](troubleshooting-launch.md) | 
| Failback Client errors, reverse replication failures, or failback connectivity issues | [Failback errors](troubleshooting-failback.md) | 

If you cannot resolve an issue using the guidance in this section, [create a case](https://docs.aws.amazon.com/awssupport/latest/user/case-management.html) with AWS Support.

**Topics**
+ [Troubleshooting agent installation](troubleshooting-agent-issues.md)
+ [Troubleshooting replication errors](troubleshooting-replication.md)
+ [Troubleshooting launch errors](troubleshooting-launch.md)
+ [Troubleshooting failback errors](troubleshooting-failback.md)