The administrator can turn quota enforcement on and off. There are three quota states, as shown in the following table.
| State |
Description |
| Quota disabled |
Quota usage changes are not tracked, but the quota limits are not removed. In this state, performance is not affected by disk quotas. This is the default state. |
| Quota tracked |
Quota usage changes are tracked, but quota limits are not enforced. In this state, no quota violation events are generated and no file operations fail because of disk quota violations. |
| Quota enforced |
Quota usage changes are tracked and quota limits are enforced. |