# \#redundancy

**URL:** https://forum.inductiveautomation.com/tag/redundancy/34.md

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## [Cannot connect designer to master when backup is active](https://forum.inductiveautomation.com/t/cannot-connect-designer-to-master-when-backup-is-active/114194)

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**Author:** [@scott](https://forum.inductiveautomation.com/u/scott)\
**Replies:** 7\
**Last updated:** [October 9, 2026, 12:37pm UTC](https://forum.inductiveautomation.com/t/cannot-connect-designer-to-master-when-backup-is-active/114194 "2026-10-09T12:37:38Z")

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Our customer has recently implemented redundancy for their Ignition gateway and is currently soak testing running the backup to monitor if there are any issues (firewalls, hardcoded hostnames, etc) I am trying to connec…

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## [Re login & break in trend after redundancy failover](https://forum.inductiveautomation.com/t/re-login-break-in-trend-after-redundancy-failover/116718)

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**Author:** [@Mohammed\_Afthab](https://forum.inductiveautomation.com/u/Mohammed_Afthab)\
**Replies:** 0\
**Last updated:** [August 9, 2026, 9:41am UTC](https://forum.inductiveautomation.com/t/re-login-break-in-trend-after-redundancy-failover/116718 "2026-08-09T09:41:08Z")

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We need to re login each time when ignition failover to its redundant pair any option to avoid that. Also we have a break in the trends, though the poll rate is higher than the failover time.

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## [Ideal way to do redundant pair of Ignition Edge gateway- dedicated NICs and direct connection?](https://forum.inductiveautomation.com/t/ideal-way-to-do-redundant-pair-of-ignition-edge-gateway-dedicated-nics-and-direct-connection/116421)

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**Author:** [@RayJohn](https://forum.inductiveautomation.com/u/RayJohn)\
**Replies:** 6\
**Last updated:** [July 15, 2026, 11:52pm UTC](https://forum.inductiveautomation.com/t/ideal-way-to-do-redundant-pair-of-ignition-edge-gateway-dedicated-nics-and-direct-connection/116421 "2026-07-15T23:52:54Z")

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Hello all: We plan on building out a of pair of redundant Ignition Edge gateway. Based on some digging, there are some gotchas: Based on @pturmel 's comments - it's looking like I should dedicate a NIC on each mac…

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## [The redundancy video is missing the setup process for running two Ignition gateways on different ports on the same PC](https://forum.inductiveautomation.com/t/the-redundancy-video-is-missing-the-setup-process-for-running-two-ignition-gateways-on-different-ports-on-the-same-pc/115594)

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**Author:** [@Abresha](https://forum.inductiveautomation.com/u/Abresha)\
**Replies:** 7\
**Last updated:** [June 18, 2026, 12:16am UTC](https://forum.inductiveautomation.com/t/the-redundancy-video-is-missing-the-setup-process-for-running-two-ignition-gateways-on-different-ports-on-the-same-pc/115594 "2026-06-18T00:16:22Z")

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While watching this Inductive University video about redundancy: How Redundancy Works - Inductive University I noticed the video explains the redundancy concept, but it skips an important part: how to actually set up t…

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## [Redundant Gateways Backup & Restore](https://forum.inductiveautomation.com/t/redundant-gateways-backup-restore/115622)

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**Author:** [@jennifer.chang](https://forum.inductiveautomation.com/u/jennifer.chang)\
**Replies:** 1\
**Last updated:** [May 20, 2026, 9:44pm UTC](https://forum.inductiveautomation.com/t/redundant-gateways-backup-restore/115622 "2026-05-20T21:44:05Z")

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Hello all, This is a simple question but I couldn't find anything about it. If I have a redundant system and want to create a backup gwbk file, do I need to create one from the Master gateway and one from the Backup gat…

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## [Redundancy Question: Dataset changes on backup Instance not replicating to primary](https://forum.inductiveautomation.com/t/redundancy-question-dataset-changes-on-backup-instance-not-replicating-to-primary/115049)

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**Author:** [@Peter.Griffin](https://forum.inductiveautomation.com/u/Peter.Griffin)\
**Replies:** 6\
**Last updated:** [April 23, 2026, 9:19am UTC](https://forum.inductiveautomation.com/t/redundancy-question-dataset-changes-on-backup-instance-not-replicating-to-primary/115049 "2026-04-23T09:19:54Z")

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Hello everyone, I have redundancy enabled between two Ignition instances, and I have a dataset on Instance 1. When I test redundancy by shutting down Instance 1, the dataset syncs correctly to Instance 2 without any iss…

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## [\[IGN-15605\] Protected Resources Cause Sync Error on Redundant Systems](https://forum.inductiveautomation.com/t/ign-15605-protected-resources-cause-sync-error-on-redundant-systems/114709)

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**Author:** [@michael.flagler](https://forum.inductiveautomation.com/u/michael.flagler)\
**Replies:** 2\
**Last updated:** [April 2, 2026, 4:22pm UTC](https://forum.inductiveautomation.com/t/ign-15605-protected-resources-cause-sync-error-on-redundant-systems/114709 "2026-04-02T16:22:26Z")

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I was setting up a server with redundancy to start doing development, and we have some resources that are protected. I kept getting a sync error on the sync status, so dug into it and it looks like if you set any resourc…

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## [Redundancy failover based on PLC communication loss and recovery](https://forum.inductiveautomation.com/t/redundancy-failover-based-on-plc-communication-loss-and-recovery/114629)

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**Author:** [@a.moutska](https://forum.inductiveautomation.com/u/a.moutska)\
**Replies:** 3\
**Last updated:** [March 23, 2026, 9:11pm UTC](https://forum.inductiveautomation.com/t/redundancy-failover-based-on-plc-communication-loss-and-recovery/114629 "2026-03-23T21:11:49Z")

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Hello everyone, I am using Ignition 8.3.4 with Perspective and a gateway redundancy architecture in Master/Backup mode. My setup is the following: \* Each gateway server has two network cards. \* One network card is de…

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## [Backup Server not connecting](https://forum.inductiveautomation.com/t/backup-server-not-connecting/114407)

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**Author:** [@scadafan](https://forum.inductiveautomation.com/u/scadafan)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 9:03pm UTC](https://forum.inductiveautomation.com/t/backup-server-not-connecting/114407 "2026-03-09T21:03:16Z")

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Hello, Having a bit of an issue. We have Ignition 7.9 running visions setup with a master and slave. They both show connected. First issue is when the primary goes down the slave doesn't automatically switch over, howe…

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## [Siemens Redundant CPU forcing Refresh Browse to update values](https://forum.inductiveautomation.com/t/siemens-redundant-cpu-forcing-refresh-browse-to-update-values/113986)

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**Author:** [@emil.eidesen](https://forum.inductiveautomation.com/u/emil.eidesen)\
**Replies:** 5\
**Last updated:** [February 18, 2026, 11:12am UTC](https://forum.inductiveautomation.com/t/siemens-redundant-cpu-forcing-refresh-browse-to-update-values/113986 "2026-02-18T11:12:16Z")

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Hi everyone, I’m working on a project using Ignition 8.3.3 and the Siemens Enhanced Driver. Recently we put the Siemens PLCs in a redundant ring configuration, where the Gateway connects to whichever PLC is currently pr…

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## [Faster failover with cold spare?](https://forum.inductiveautomation.com/t/faster-failover-with-cold-spare/113932)

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**Author:** [@Michael\_Cramer](https://forum.inductiveautomation.com/u/Michael_Cramer)\
**Replies:** 3\
**Last updated:** [February 12, 2026, 6:21pm UTC](https://forum.inductiveautomation.com/t/faster-failover-with-cold-spare/113932 "2026-02-12T18:21:04Z")

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I have a pair of redundant gateways on 8.3.2. The backup is set up as a ‘cold’ spare. The customer would like to do updates/reboots on the primary/backup during production hours, without losing access for very long, bu…

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## [Gateway Redundancy Providers System Events (Remote needs to do full pull)](https://forum.inductiveautomation.com/t/gateway-redundancy-providers-system-events-remote-needs-to-do-full-pull/82959)

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**Author:** [@vincent.devillers](https://forum.inductiveautomation.com/u/vincent.devillers)\
**Replies:** 11\
**Last updated:** [February 4, 2026, 10:01pm UTC](https://forum.inductiveautomation.com/t/gateway-redundancy-providers-system-events-remote-needs-to-do-full-pull/82959 "2026-02-04T22:01:07Z")

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We have noticed on the Redundancy page, repeatedly the events : \[alarm\_system\] Remote needs to do full pull. Reason: redundant provider on remote side has no data. In the logger info we have also repeatedly warnings : …

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## [Ignition - Query Redundancy Status via Powershell / Batch](https://forum.inductiveautomation.com/t/ignition-query-redundancy-status-via-powershell-batch/113297)

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**Author:** [@Brandon\_Hanson](https://forum.inductiveautomation.com/u/Brandon_Hanson)\
**Replies:** 2\
**Last updated:** [January 14, 2026, 11:24pm UTC](https://forum.inductiveautomation.com/t/ignition-query-redundancy-status-via-powershell-batch/113297 "2026-01-14T23:24:26Z")

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I have an interesting application where I need to start and stop other windows services on a redundant pair of ignition gateways. I’m looking for a way to pull the current redundancy status locally, and based on that st…

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## [Redundancy DNS / Load balancer requirement](https://forum.inductiveautomation.com/t/redundancy-dns-load-balancer-requirement/112318)

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**Author:** [@RohanPalshikar](https://forum.inductiveautomation.com/u/RohanPalshikar)\
**Replies:** 5\
**Last updated:** [November 21, 2025, 10:03pm UTC](https://forum.inductiveautomation.com/t/redundancy-dns-load-balancer-requirement/112318 "2025-11-21T22:03:21Z")

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Hi, We have 2 ignition gateways configured as redundant pair. And the configuration does work well. We have tested it using Force Failure on primary, Primary machine restart / shutdown. But for power failure / unplug it…

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## [Redundancy Setup "Defined\_NeverConnected"](https://forum.inductiveautomation.com/t/redundancy-setup-defined-neverconnected/110281)

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**Author:** [@Alex\_Rayburg](https://forum.inductiveautomation.com/u/Alex_Rayburg)\
**Replies:** 2\
**Last updated:** [October 20, 2025, 2:02pm UTC](https://forum.inductiveautomation.com/t/redundancy-setup-defined-neverconnected/110281 "2025-10-20T14:02:30Z")

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This screenshot is from my backups perspective. This makes no sense because “Ignition-KYMERASCM\_OTPC1” Isn’t a “backup” it’s the master which shows connected so why is that even there and I cant remove it. From the M…

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## [Ignition with mySQL InnoDB cluster](https://forum.inductiveautomation.com/t/ignition-with-mysql-innodb-cluster/111540)

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**Author:** [@xinbo\_liu](https://forum.inductiveautomation.com/u/xinbo_liu)\
**Replies:** 2\
**Last updated:** [October 20, 2025, 6:59am UTC](https://forum.inductiveautomation.com/t/ignition-with-mysql-innodb-cluster/111540 "2025-10-20T06:59:07Z")

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Is there any way to setup the database connection to high availability mySQL cluster? It seems not possible to setup 3 db hosts directly in connection URL. MySQL :: MySQL 8.4 Reference Manual :: 23 InnoDB Cluster

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## [Rundancy issues after updating from 8.1.47 to 8.3.0](https://forum.inductiveautomation.com/t/rundancy-issues-after-updating-from-8-1-47-to-8-3-0/110961)

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**Author:** [@oyvind.handeland](https://forum.inductiveautomation.com/u/oyvind.handeland)\
**Replies:** 0\
**Last updated:** [September 25, 2025, 8:10am UTC](https://forum.inductiveautomation.com/t/rundancy-issues-after-updating-from-8-1-47-to-8-3-0/110961 "2025-09-25T08:10:51Z")

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I have upgraded Ignition on my master and backup server from 8.1.47 to 8.3.0. First of all, in the diagnostic window when I click configure as illustrated below I am sent to the home page: My main question is as fol…

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## [Ignition OPC UA Client Failover Problem](https://forum.inductiveautomation.com/t/ignition-opc-ua-client-failover-problem/108384)

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**Author:** [@vitor\_andrade](https://forum.inductiveautomation.com/u/vitor_andrade)\
**Replies:** 4\
**Last updated:** [July 13, 2025, 4:58am UTC](https://forum.inductiveautomation.com/t/ignition-opc-ua-client-failover-problem/108384 "2025-07-13T04:58:52Z")

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We’re using Ignition SCADA connected via OPC UA to a redundant Schneider M580 PLC. Each rack has its own CPU and BMENUA0100 (NUA) OPC UA Server module, with fixed IPs. The redundancy follows the non-transparent server mo…

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## [Slow failover with redundancy](https://forum.inductiveautomation.com/t/slow-failover-with-redundancy/106660)

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**Author:** [@Pedro\_Guardone](https://forum.inductiveautomation.com/u/Pedro_Guardone)\
**Replies:** 6\
**Last updated:** [June 16, 2025, 9:10pm UTC](https://forum.inductiveautomation.com/t/slow-failover-with-redundancy/106660 "2025-06-16T21:10:30Z")

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I have redundancy up and running, but when I disconnect the master gateway (communication cable disconnection or physical server shutdown) it takes like 60 seconds for perspective clients to show 'No connection to gatewa…

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## [Is it normal to have same URI for master and backup nodes?](https://forum.inductiveautomation.com/t/is-it-normal-to-have-same-uri-for-master-and-backup-nodes/101851)

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**Author:** [@Geoffroy\_ARNOUD](https://forum.inductiveautomation.com/u/Geoffroy_ARNOUD)\
**Replies:** 2\
**Last updated:** [June 11, 2025, 4:33pm UTC](https://forum.inductiveautomation.com/t/is-it-normal-to-have-same-uri-for-master-and-backup-nodes/101851 "2025-06-11T16:33:05Z")

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Hello, I am setting up a redundant pair of Ignition servers. Up to now I have succesfully setup redundancy, and I can do failover. My client is also able to switch to current active node. I am currently following Igni…

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## [Internal DB Redundancy](https://forum.inductiveautomation.com/t/internal-db-redundancy/105388)

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**Author:** [@e.sagnelonge](https://forum.inductiveautomation.com/u/e.sagnelonge)\
**Replies:** 5\
**Last updated:** [April 23, 2025, 3:08pm UTC](https://forum.inductiveautomation.com/t/internal-db-redundancy/105388 "2025-04-23T15:08:19Z")

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Hello, I'm currently working with Ignition version 8.1.32. One of my modules stores its configuration in the Internal DB. According to the documentation, persistent records are automatically synchronized via redundanc…

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## [Using Edge as a remote OPC UA connection (Redundancy issue)](https://forum.inductiveautomation.com/t/using-edge-as-a-remote-opc-ua-connection-redundancy-issue/98890)

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**Author:** [@Marc](https://forum.inductiveautomation.com/u/Marc)\
**Replies:** 2\
**Last updated:** [November 20, 2024, 8:16pm UTC](https://forum.inductiveautomation.com/t/using-edge-as-a-remote-opc-ua-connection-redundancy-issue/98890 "2024-11-20T20:16:51Z")

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We are using a redundancy setup. The Ignition Main Gateway is configured to connect to the built-in OPC server of the remote edge gateway, allowing us to access local devices on the edge through this new OPC server. We…

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## [Remote Tag Provider vs Standard Tag Provider](https://forum.inductiveautomation.com/t/remote-tag-provider-vs-standard-tag-provider/98188)

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**Author:** [@Ha99](https://forum.inductiveautomation.com/u/Ha99)\
**Replies:** 1\
**Last updated:** [November 5, 2024, 2:16pm UTC](https://forum.inductiveautomation.com/t/remote-tag-provider-vs-standard-tag-provider/98188 "2024-11-05T14:16:02Z")

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Hi, What is the difference between Remote Tag Provider and Standard Tag Provider, are there any functions that I can't implement with a Remote Tag Provider and for the ignition license as I have to manage this I imagine…

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## [Ignition with With multi node redundancy](https://forum.inductiveautomation.com/t/ignition-with-with-multi-node-redundancy/98187)

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**Author:** [@Mohammed\_Afthab](https://forum.inductiveautomation.com/u/Mohammed_Afthab)\
**Replies:** 2\
**Last updated:** [November 5, 2024, 2:11pm UTC](https://forum.inductiveautomation.com/t/ignition-with-with-multi-node-redundancy/98187 "2024-11-05T14:11:31Z")

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HI, Do we have a option to make a multi node redundancy for the gateway, like two redundant pair to sync each other (total 4 gateway) and one gateway polls the data and synch with all other 3. Thanks Afthab

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## [Bind to multiple interfaces for redundancy failover](https://forum.inductiveautomation.com/t/bind-to-multiple-interfaces-for-redundancy-failover/97623)

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**Author:** [@Jules\_Lalu](https://forum.inductiveautomation.com/u/Jules_Lalu)\
**Replies:** 2\
**Last updated:** [October 22, 2024, 4:36pm UTC](https://forum.inductiveautomation.com/t/bind-to-multiple-interfaces-for-redundancy-failover/97623 "2024-10-22T16:36:47Z")

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Hi, We are using a redundant Ignition setup with a master and backup. Each Ignition instance has 2 network interfaces. We would like to fail over to the backup instance if one of the 2 network interfaces is unreachable…

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## [Redundant Pair Backup Resync Repeating](https://forum.inductiveautomation.com/t/redundant-pair-backup-resync-repeating/66004)

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**Author:** [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Replies:** 23\
**Last updated:** [October 21, 2024, 4:37pm UTC](https://forum.inductiveautomation.com/t/redundant-pair-backup-resync-repeating/66004 "2024-10-21T16:37:15Z")

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I have a newly upgraded redundant pair (v7.9.18 =\> v8.1.21) whose backup server won't synchronize. A snip from the log where it decides to do a full resync looks like this: INFO | jvm 3 | 2022/11/02 11:40:24 | I \[R.S.B…

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## [Redundancy and Modbus Connection Issues](https://forum.inductiveautomation.com/t/redundancy-and-modbus-connection-issues/73128)

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**Author:** [@joshdunstan](https://forum.inductiveautomation.com/u/joshdunstan)\
**Replies:** 12\
**Last updated:** [August 7, 2024, 7:42pm UTC](https://forum.inductiveautomation.com/t/redundancy-and-modbus-connection-issues/73128 "2024-08-07T19:42:06Z")

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Running Ignition 8.1.25 with redundancy enabled. Both servers are headless linux. Redundancy is cold & partial. I have a myriad of devices connected (~60), most are modbus, with a half dozen DNP3. When I perform a fai…

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## [Getting a RuntimeError when trying to force a Failover](https://forum.inductiveautomation.com/t/getting-a-runtimeerror-when-trying-to-force-a-failover/92102)

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**Author:** [@Will\_Taylor](https://forum.inductiveautomation.com/u/Will_Taylor)\
**Replies:** 0\
**Last updated:** [June 19, 2024, 3:25pm UTC](https://forum.inductiveautomation.com/t/getting-a-runtimeerror-when-trying-to-force-a-failover/92102 "2024-06-19T15:25:46Z")

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Hey I was wondering if anyone has been able to solve this. Whenever I force a failover I get this error when its running on the back up. Both the master and backup gateway are running 8.1.38 both master and backup have …

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## [Ignition Redundancy License Activation](https://forum.inductiveautomation.com/t/ignition-redundancy-license-activation/91340)

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**Author:** [@Reuel\_Greaves](https://forum.inductiveautomation.com/u/Reuel_Greaves)\
**Replies:** 4\
**Last updated:** [June 4, 2024, 5:05pm UTC](https://forum.inductiveautomation.com/t/ignition-redundancy-license-activation/91340 "2024-06-04T17:05:41Z")

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I have a redundant server pair that requires an offline license activation as new modules have been licensed after purchase. Has anyone done this and what procedure have you used ? We are thinking the following Set Bac…

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## [Ignition OPC UA Server Redundancy (Modbus TCP)](https://forum.inductiveautomation.com/t/ignition-opc-ua-server-redundancy-modbus-tcp/67123)

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**Author:** [@jiyoung\_hwang](https://forum.inductiveautomation.com/u/jiyoung_hwang)\
**Replies:** 15\
**Last updated:** [May 24, 2024, 12:17pm UTC](https://forum.inductiveautomation.com/t/ignition-opc-ua-server-redundancy-modbus-tcp/67123 "2024-05-24T12:17:02Z")

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Like the attached file, I want to redundancy If possible, please tell me how to do it.

[Next page](https://forum.inductiveautomation.com/tag/redundancy/34.md?match_all_tags=true&page=1&tags%5B%5D=redundancy)
