# Salesforce: Service Disruption: Core Service - Impact (vendor’s label): critical - Status: resolved - Started: 2026-03-12 02:19 UTC · Resolved: 2026-03-13 14:33 UTC · Duration: 36 h - Updates: 11 · Affected components: Core Service, 285 instances - [Vendor status page: https://status.salesforce.com/incidents/20003805](https://status.salesforce.com/incidents/20003805) - [Company: Salesforce](https://rewindex.com/company/salesforce.md) ## Timeline of updates - **update** 2026-03-13 07:57 UTC: We're investigating a service disruption impacting multiple instances in the APAC region. A subset of customers in this region are unable to log in to Salesforce. Users are encountering an error when attempting to log in. Initial investigations indicate that the issue is related to a recent release. We're rolling back the change on a test instance to determine if this resolves the issue. We’ll provide an update in 30 minutes or sooner if additional information becomes available. - **update** 2026-03-13 08:08 UTC: Upon further investigation, we have determined that the start time of impact is different than initially understood. We have now revised the start time of the Trust post to more accurately reflect the time customers may have begun to experience impact. We apologize for any confusion caused by this. - **update** 2026-03-13 08:30 UTC: The rollback on the test instance was successful and no login errors were found after a period of monitoring. We'll now roll back the change on the remaining impacted instances. Upon further investigation, we have determined that the issue is specific to users with Salesforce Platform licenses. We’ll provide an update in 30 minutes or sooner if additional information becomes available. - **update** 2026-03-13 08:56 UTC: This issue is specific to users with Salesforce Platform licenses who are unable to log in to Salesforce. Users are encountering an error when attempting to log in. Services are functioning normally for other users. We're currently rolling back the change that was identified as the potential trigger. Investigations have highlighted that the impact radius is broader than initially understood. We've updated the posting to reflect the additional instances experiencing impact, and customers in these instances will receive communications related to this incident going forward. We’ll provide an update in 30 minutes or sooner if additional information becomes available. - **update** 2026-03-13 09:33 UTC: Users with Salesforce Platform licenses remain unable to log in to Salesforce and encounter an error when attempting to log in. The rollback of the change identified as the trigger for the issue is in progress. We’ll provide an update in 30 minutes or sooner if additional information becomes available. - **update** 2026-03-13 10:19 UTC: We’re seeing positive results for the rollbacks that have been completed. Rollbacks are still in progress for the remaining impacted instances. We’ll provide further updates on our progress. We apologize for any inconvenience this issue has caused. We’ll provide an update in 60 minutes or sooner if additional information becomes available. - **update** 2026-03-13 11:06 UTC: Rollbacks are still in progress for the remaining impacted instances and customers should see improvements as their instance rollback completes. We’ll provide further updates on our progress. We apologize for any inconvenience this issue has caused. We’ll provide an update in 60 minutes or sooner if additional information becomes available. - **update** 2026-03-13 12:00 UTC: The rollback is now complete on USA9004S, USA9006S, USA9010S, USA9012S, USA9016S, USA9018S, USA9022S, USA9024S, USA9028S, USA9404S, USA9406S, USA9904S, USA9906S, USA9916S, USA9918S. These instances will now receive their own dedicated Trust posting. The rollback remains in progress for all other instances. We’ll provide an update in 60 minutes or sooner if additional information becomes available. - **update** 2026-03-13 13:00 UTC: The rollback in still in progress and customers should begin seeing improvements as this progresses. We’ll provide an update in 60 minutes or sooner if additional information becomes available. - **update** 2026-03-13 14:07 UTC: We are continuing to make progress on the release rollback to address an issue where users with Salesforce Platform licenses are unable to perform any operations after logging in. Rollbacks are complete across the majority of impacted instances. A smaller number of instances require additional steps to complete the rollback, and we are actively progressing those. We’ll provide an update as soon as we have additional information. - **update** 2026-03-13 14:47 UTC: All instances have been rolled back and are fully out of impact. We apologize for how you and your business may have been affected by this incident. We will thoroughly investigate the incident, confirming the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future. ## Rewindex changes for this incident - 2026-03-12 02:19 UTC: [Critical incident: Service Disruption: Core Service](https://rewindex.com/change/icde5c27b61e04a.md) --- Canonical: https://rewindex.com/company/salesforce/incidents/20003805 · Markdown: https://rewindex.com/company/salesforce/incidents/20003805.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20003805 · Generated 2026-10-18T09:37:34.005Z