Sui Outage History
Sui is up right nowPingoru has recorded 11 incidents for Sui: 3 in the last 12 months and 0 in the last 90 days.
Show as a table
| Month | Incidents | Hours with an open incident |
|---|---|---|
| April 2026 | 0 | 0 of 720 (0%) |
| May 2026 | 1 | 51 of 744 (7%) |
| June 2026 | 0 | 0 of 720 (0%) |
| July 2026 | 0 | 0 of 744 (0%) |
| August 2026 | 0 | 0 of 744 (0%) |
| September 2026 | 0 | 0 of 720 (0%) |
| October 2026 | 0 | 0 of 518 (0%) |
Incidents, newest first
Critical May 28, 2026 Mainnet settlement 2d 2h Sui Mainnet - Validators, Sui Mainnet - Public RPC Nodes
Started May 28, 2026, 02:15 PM UTC· resolved May 30, 2026, 04:43 PM UTC
- investigating May 28, 2026, 02:15 PM UTC
We are currently investigating this issue.
- identified May 28, 2026, 02:36 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring May 28, 2026, 07:40 PM UTC
Fix is rolling out to validators
- monitoring May 28, 2026, 08:31 PM UTC
We are continuing to monitor for any further issues.
- monitoring May 28, 2026, 08:32 PM UTC
>2/3 of stake have upgraded to the fix, network is online: https://metrics.sui.io/public-dashboards/4ceb11cc210d4025b122294586961169
- monitoring May 29, 2026, 12:09 PM UTC
We are continuing to monitor for any further issues.
- monitoring May 29, 2026, 03:43 PM UTC
>2/3 of stake have upgraded to the latest fix, network is currently online: https://metrics.sui.io/public-dashboards/4ceb11cc210d4025b122294586961169
- monitoring May 29, 2026, 08:57 PM UTC
Validators are waiting to complete epoch change and only processing system txns
- monitoring May 29, 2026, 09:41 PM UTC
We are continuing to monitor for any further issues.
- monitoring May 30, 2026, 02:32 AM UTC
We have progressed to epoch 1143 - network is currently online with degraded participation: https://metrics.sui.io/public-dashboards/4ceb11cc210d4025b122294586961169
- resolved May 30, 2026, 04:43 PM UTC
Up to 93% participation by stake. We will continue to monitor the network closely, but marking this incident as resolved.
Critical January 14, 2026 Consensus outage 6h 30m Sui Mainnet - Validators, Sui Mainnet - Public RPC Nodes
Started Jan 14, 2026, 02:52 PM UTC· resolved Jan 14, 2026, 09:22 PM UTC
- investigating Jan 14, 2026, 02:52 PM UTC
investigating consensus issues across all validators
- investigating Jan 14, 2026, 02:52 PM UTC
We are continuing to investigate this issue.
- identified Jan 14, 2026, 03:18 PM UTC
The issue has been identified and a fix is being implemented.
- identified Jan 14, 2026, 07:37 PM UTC
Fix is ready and will be rolled out soon
- monitoring Jan 14, 2026, 08:44 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jan 14, 2026, 09:22 PM UTC
The validators have rolled out the fix and the system is fully functional.
Minor December 14, 2025 Sui Mainnet Network 3h 11m Sui Mainnet - Validators, Sui Mainnet - Public RPC Nodes
Started Dec 14, 2025, 07:52 PM UTC· resolved Dec 14, 2025, 11:03 PM UTC
- investigating Dec 14, 2025, 07:52 PM UTC
We are currently investigating degraded consensus, much higher latencies.
- resolved Dec 14, 2025, 11:03 PM UTC
This incident has been resolved.
Notice June 28, 2025 Testnet validators lost quorum for checkpoint generation 1d Sui Testnet - Validators
Started Jun 28, 2025, 11:12 PM UTC· resolved Jun 29, 2025, 11:20 PM UTC
- investigating Jun 28, 2025, 11:12 PM UTC
We understand the root cause and the team is figuring out options for troubleshooting.
- resolved Jun 29, 2025, 11:20 PM UTC
This incident has been resolved.
Major November 21, 2024 Validators are down 1h 7m Sui Mainnet - Validators
Started Nov 21, 2024, 10:39 AM UTC· resolved Nov 21, 2024, 11:47 AM UTC
- investigating Nov 21, 2024, 10:39 AM UTC
We are currently investigating this issue.
- investigating Nov 21, 2024, 10:40 AM UTC
We are continuing to investigate this issue.
- resolved Nov 21, 2024, 11:47 AM UTC
v1.37.4 patch has been rolled out on Mysten Validators and announced publicly for immediate rollout.
- postmortem Nov 21, 2024, 08:58 PM UTC
Please see [https://blog.sui.io/sui-mainnet-outage-resolution/](https://blog.sui.io/sui-mainnet-outage-resolution/) for detailed explanation of what happened.
Notice November 12, 2024 Sui testnet validators don't accept new user transactions 2h 14m Sui Testnet - Validators
Started Nov 12, 2024, 08:00 PM UTC· resolved Nov 12, 2024, 10:15 PM UTC
- identified Nov 12, 2024, 09:17 PM UTC
There is an issue with the change in the cert processing on Sui testnet, enough validators aren't able to accept certs and as such it's impossible to submit user transactions on testnet. Walrus testnet writes are affected as a result of that as well.
- resolved Nov 12, 2024, 10:52 PM UTC
This incident has been resolved.