Posted on October 11, 2010 by Kelly Rusk in SharePoint
Site collection limits
The following table lists the recommended guidelines for site collections.
| Limit | Maximum value | Limit type | Notes |
| Web site | 250,000 per site collection | Supported | The maximum recommended number of sites and subsites is 250,000 sites.You can create a very large total number of Web sites by nesting subsites. For example, in a shallow hierarchy with 100 sites, each with 1,000 subsites, you would have a total of 100,000 Web sites. Or a deep hierarchy with 100 sites, each with 10 subsite levels would also contain a total of 100,000 Web sites.Note: Deleting or creating a site or subsite can significantly affect a site’s availability. Access to the site and subsites will be limited while the site is being deleted. Attempting to create many subsites at the same time may also fail. |
| Site collection size | 100 GB per site collection | Supported | A site collection should not exceed 100 GB unless it is the only site collection in the database.Certain site collection actions, such as site collection backup/restore or the Windows PowerShell cmdlet Move-SPSite, cause large Microsoft SQL Server operations which can affect performance or fail if other site collections are active in the same database. For more information, see Move-SPSite. |
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