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Gateway High Availability for PowerApps and Flow | Microsoft Power Apps
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Gateway High Availability for PowerApps and Flow
Linh Tran, Senior Program Manager, 5. februar 2018
Today, you can create high available clusters of on-premises data gateways, to ensure your organization can access on-premises data resources used in PowerApps and Flow. Such clusters allow gateway administrators to group gateways to avoid single point of failure in accessing on-premises data resources. This article describes te steps you can take to create a high availability cluster of on-premises data gateways and shares best practices when setting them up. High availability gateway clusters require te November 2017 update to on-premises data gateway, or later.
Setting up high availability clusters of gateways
During te on-premises data gateway installation process, you can specify whether te gateway should be added to an existing gateway cluster by selecting te checkbox ‘Add to an existing gateway cluster’.
To add a gateway to an existing cluster, you must provide te Recovery key for te primary gateway instance for te cluster you want te new gateway to join. Te primary gateway for te cluster must be running te gateway update from November 2017 or later.
Managing a gateway cluster
Once a gateway cluster consists of two or more gateways, all gateway management operations, such as adding a data source or granting administrative permissions to a gateway, apply to all gateways that are part of te cluster.
From PowerApps or Flow, you will only see te individual gateways. If te gateways belong to a cluster, you will only see te primary gateway (also known as anchor gateway) but won’t see other gateways in te same cluster. You will not see te cluster te gateways belong to from PowerApps or Flow neither. We are improvement this experience soon. In te meantime, there are available PowerShell commands you can leverage to manage your gateway clusters, see te link below for a complete list of PowerShell commands.
So, how can you leverage high available clusters of on-premises data gateways for PowerApps and Flow? Say you have a cluster created with two gateways, a primary and a secondary one. If your primary gateway is down, you can still create a connection through your on-premises data gateways in PowerApps and Flow. Even though you select te primary gateway name from te UI, it will work and technically leverage te secondary gateway in te backend. We are working to improve this management experience soon.
PowerShell support for gateway clusters
Please refer to this article for a list of PowerShell commands to manage your gateway clusters.
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