Manage and increase quotas for classic data governance resources

Nota

Microsoft Purview Data Catalog (classic) and Data Health Insights (classic) are no longer taking on new customers and these services, previously Azure Purview, are now in customer support mode.

This article highlights the limits that currently exist in the classic Microsoft Purview Data Governance service. These limits are also known as quotas.

Nota

These are limits for the classic data governance experience.

Classic Microsoft Purview Data Governance limits

Resource	Default Limit	Maximum Limit
Microsoft Purview accounts per region, per tenant (all subscriptions combined)	3* (dependent)	Contact Support
Data Map throughput There's no default limit on the data map metadata storage	10 capacity units 250 operations per second	100 capacity units 2,500 operations per second
vCores available for scanning, per account**	160	160
Concurrent scans per Purview account. The limit is based on the type of data sources scanned*	5	10
Maximum time that a scan can run for	7 days	7 days
Size of assets per account	100M physical assets	Contact Support
Maximum size of an asset in a catalog	2 MB	2 MB
Maximum length of an asset name and classification name	4 KB	4 KB
Maximum length of asset property name and value	32 KB	32 KB
Maximum length of classification attribute name and value	32 KB	32 KB
Maximum number of glossary terms, per glossary	100K	100K
Maximum number of self-service policies, per account	3K	3K
Maximum number of collections	256	256

* Accounts limit is dependent on your organization. For full information, see the FAQ.

** Self-hosted integration runtime scenarios aren't included in the limits defined in the above table.

^ Increasing the data map throughput limit also increases the minimum number of capacity units with no usage. TO increase data map throughput, you can request a capacity unitl upgrade. See Data Map throughput for more info about the elastic data map in general.

Request quota increase

Use the following steps to create a new support request from the Azure portal to increase quota for Microsoft Purview. You can create a quota request for Microsoft Purview accounts in a subscription or tenant (dependent on your organization), and the data map throughput (capacity units) of a specific account.

Kawtela

Once you have upgraded your data map throughput, you can't downgrade.

1. On the Azure portal menu, select Help + support.

   

2. In Help + support, select New support request.

   

3. For Issue type, select Service and subscription limits (quotas).

4. For Subscription, select the subscription whose quota you want to increase.

5. For Quota type, select Microsoft Purview. Then select Next.

   

6. In the Details window, select Enter details to enter additional information.

7. Choose your Quota type, scope (either location or account) and what you wish the new limit to be

   

8. Enter the rest of the required support information. Review and create the support request

Next steps

Concept: Elastic Data Map in Microsoft Purview

Tutorial: Scan data with Microsoft Purview

Tutorial: Navigate the home page and search for an asset

Tutorial: Browse assets and view their lineage