System Restrictions
Updated at：2025-10-27
| Limitation items | Limit value |
|---|---|
| Total number of IAM users under a root account | 500 |
| Total number of groups under a root account | 50 |
| Number of IAM users associated with a group | 20 |
| Number of policies associated with a group | 5 |
| Number of AccessKeys to be created by each user | 20 |
| Minimum number of AccessKeys per user | 1 |
| Username | 255 characters |
| User password | 8-64 characters |
| Group Name | 64 characters |
| Notes to group | 128 characters |
| Custom permission policy name | 64 characters |