> For the complete documentation index, see [llms.txt](https://docs.portainer.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management.md).

# Agents and environment management

- [How can I move existing Edge Agent deployments to a new Portainer Server instance?](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management/how-can-i-move-existing-edge-agent-deployments-to-a-new-portainer-server-instance.md)
- [Why can't my agents communicate with Portainer on Swarm?](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management/why-cant-my-agents-communicate-with-portainer-on-swarm.md)
- [Why has my Environment IP not updated after I changed it?](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management/why-has-my-environment-ip-not-updated-after-i-changed-it.md)
- [Why is my Portainer Edge Agent using a large amount of memory?](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management/why-is-my-portainer-edge-agent-using-a-large-amount-of-memory.md)
- [Troubleshooting Edge Agent Connection Issues](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management/troubleshooting-edge-agent-connection-issues.md)
- [How do I change the way I connect to an environment without losing my existing stacks?](https://docs.portainer.io/faqs/troubleshooting/agents-and-environment-management/how-do-i-change-the-way-i-connect-to-an-environment-without-losing-my-existing-stacks.md)