RDS Maintenance Question

Question

I would like to clarify a question regarding the text below that I received from AWS support concerning the MySQL version upgrade on my RDS instance:

""" [Action Required] Amazon RDS for MySQL is deprecating minor versions on October 31, 2025

Hello,
You are receiving this message because you have one or more instances running Amazon RDS for MySQL Extended Support minor versions 5.7.44-RDS.20240408, 5.7.44-RDS.20240529, or 5.7.44-RDS.20240808 that require your attention. The mentioned Amazon RDS for MySQL minor versions will reach end of support on October 31, 2025. To learn more about the RDS policies related to major and minor version support, please refer to Database Engine Versions section in RDS FAQs [1].
Starting October 1, 2025, you will not be able to create new instances with RDS for MySQL Extended Support minor versions 5.7.44-RDS.20240408, 5.7.44-RDS.20240529, and 5.7.44-RDS.20240808 from either the AWS Console or the CLI. RDS will upgrade your databases running versions listed above to RDS for MySQL Extended Support minor version 5.7.44-RDS.20250213 or higher during a scheduled maintenance window after October 31, 2025.
We recommend that you take action and upgrade [2] your Amazon RDS for MySQL databases running minor versions 5.7.44-RDS.20240408, 5.7.44-RDS.20240529, and 5.7.44-RDS.20240808 to 5.7.44-RDS.20250213 or higher before October 31, 2025.
This is a mandatory engine version upgrade and it requires downtime. To minimize the downtime during the upgrade, you can now use the fully managed Amazon RDS Blue/Green Deployments that uses binlog logical replication for version upgrades [3].
We recommend upgrading these instances to newer minor versions to benefit from patches for known security vulnerabilities.
Your Amazon RDS for MySQL instances running minor versions mentioned above are listed in the 'Affected Resources' tab of the AWS Health Dashboard.

**My question is: This upgrade will be automatically forced tomorrow from AWS, on October 31st, or it will be performed during my next scheduled maintenance window on November 1st?**

re:Post Agent · Answer

The upgrade will not be automatically forced on October 31st, 2025. According to the notification, RDS will upgrade your databases running the affected MySQL Extended Support minor versions (5.7.44-RDS.20240408, 5.7.44-RDS.20240529, and 5.7.44-RDS.20240808) to version 5.7.44-RDS.20250213 or higher during a scheduled maintenance window after October 31, 2025.

This means the upgrade will occur during your next scheduled maintenance window that falls after the October 31, 2025 end-of-support date. If your next scheduled maintenance window is on November 1st, 2025, then the upgrade would likely happen during that window.

The notification indicates that starting October 1, 2025, you won't be able to create new instances with these minor versions, but existing instances will continue to run until they're upgraded during a scheduled maintenance window after the end-of-support date.

It's recommended that you proactively upgrade your databases before the end-of-support date to minimize any potential issues and to have more control over when the upgrade occurs. If you want to minimize downtime during the upgrade, you can use Amazon RDS Blue/Green Deployments as mentioned in the notification.  
**Sources**  
[Why did my RDS PostgreSQL and Aurora PostgreSQL database undergo a minor version upgrade and restart despite having Auto Minor Version Upgrade disabled? | AWS re:Post](https://repost.aws/articles/ARZFO9SPbbS0Cv3GddKZJcug/why-did-my-rds-postgresql-and-aurora-postgresql-database-undergo-a-minor-version-upgrade-and-restart-despite-having-auto-minor-version-upgrade-disabled)  
[Upgrades of the Microsoft SQL Server DB engine - Amazon Relational Database Service](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.SQLServer.html)

anish_g · Answer

Hi,

You can always check when the next maintenance activity is scheduled for your RDS database using the AWS console or using CLI or API.

Please refer this AWS Documentation for details,

[Viewing pending maintenance updates](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.Maintenance.html#USER_UpgradeDBInstance.Maintenance.Viewing)

For example, below aws cli command shows that maintenance is scheduled for RDS instance in the next maintenance  window on 11/02,

```
$ aws rds describe-pending-maintenance-actions --filters Name=db-instance-id,Values=rdspgdb01 --query 'PendingMaintenanceActions[*].{
        ResourceIdentifier: ResourceIdentifier,
        DbUpgradeDetails: PendingMaintenanceActionDetails[?Action==`db-upgrade`]
    }'     --output json
[
    {
        "ResourceIdentifier": "arn:aws:rds:us-east-1:123456789101:db:rdspgdb01",
        "DbUpgradeDetails": [
            {
                "Action": "db-upgrade",
                "OptInStatus": "next-maintenance",
                "CurrentApplyDate": "2025-11-02T06:08:00Z",
                "Description": "New engine patch version is available: 13.20.R2"
            }
        ]
    }
]
$ 
```
Sharing additional details for automatic minor version upgrades for RDS MySQL

[Automatic minor version upgrades for RDS for MySQL](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.MySQL.Minor.html)

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