# Troubleshooting your gateway Following, you can find information about best practices and troubleshooting issues related to gateways, host platforms, volumes, high availability, data recovery, and snapshots. The on-premises gateway troubleshooting information covers gateways deployed on supported virtualization platforms. The troubleshooting information for high availability issues covers gateways running on VMware vSphere High Availability (HA) platform. **Topics** + [Troubleshooting: gateway offline issues](troubleshooting-gateway-offline.md) - Learn how to diagnose problems that can cause your gateway to appear offline in the Storage Gateway console. + [Troubleshooting: internal error during gateway activation](troubleshooting-gateway-activation.md) - Learn what to do if you receive an internal error message when attempting to activate your Storage Gateway. + [Troubleshooting on-premises gateway issues](troubleshooting-on-premises-gateway-issues.md) - Learn about typical issues that you might encounter working with your on-premises gateways, and how to allow Support to connect to your gateway to assist with troubleshooting. + [Troubleshooting Microsoft Hyper-V setup](troubleshooting-hyperv-setup.md) - Learn about typical issues that you might encounter when deploying Storage Gateway on the Microsoft Hyper-V platform. + [Troubleshooting Amazon EC2 gateway issues](troubleshooting-EC2-gateway-issues.md) - Find information about typical issues that you might encounter when working with gateways deployed on Amazon EC2. + [Troubleshooting hardware appliance issues](troubleshooting-hardware-appliance-issues.md) - Learn how to resolve issues that you might encounter with the Storage Gateway Hardware Appliance. + [Troubleshooting volume issues](troubleshoot-volume-issues.md) - Find information about most typical issues you might encounter when working with volumes, and the actions we suggest that you take to fix them. + [Troubleshooting high availability issues](troubleshooting-ha-issues.md) - Learn what to do if you experience issues with gateways that are deployed in a VMware HA environment.