# Amazon Detective Regions and quotas
<a name="regions-limitations"></a>

When using Amazon Detective, be aware of these quotas.

## Detective Regions and endpoints
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To see the list of AWS Regions where Detective is available, see [Detective service endpoints](https://docs.aws.amazon.com/general/latest/gr/detective.html). 

## Detective quotas
<a name="quotas"></a>

Detective has the following quotas, which cannot be configured.


|  Resource  |  Quota  |  Comments  | 
| --- | --- | --- | 
| Number of member accounts | 1,200 | The number of member accounts that an administrator account can add to a behavior graph. | 
| Behavior graph data volume – volume warning | 9 TB per day | If the behavior graph data volume is larger than 9 TB per day, then Detective displays a warning that the behavior graph is nearing the maximum allowed volume. | 
| Behavior graph data volume – no new accounts | 10 TB per day | If the behavior graph data volume is larger than 10 TB per day, then you cannot add new member accounts to the behavior graph. | 
| Behavior graph data volume – stop data ingest into the behavior graph | 15 TB per day | If the behavior graph data volume is larger than 15 TB per day, then Detective stops ingesting data into the behavior graph.<br />The 15 TB per day reflects both normal data volume and spikes in the data volume.<br />To re-enable the data ingest, you must contact Support. | 

## Internet Explorer 11 not supported
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You cannot use Detective with Internet Explorer 11.