How to Create a Modern SharePoint Site in a Custom URL Path
Question details
The user wants to create a Modern SharePoint site using a specific custom URL path instead of the default paths.
- Product
- Microsoft SharePoint
- Device & OS
- not provided
- Scenario
- Setting up a new SharePoint Team or Communication site and attempting to assign it a specific branch or custom URL path, such as /sites/external/.
- Observed behavior
- Legacy subsite creation methods fail to support modern site templates. Modern sites must be created through supported interface paths and rely on tenant-level architecture configurations.
Ensure you have SharePoint administrator privileges in your Microsoft 365 environment, as configuring custom managed paths requires tenant-level access.
Create a Modern Site via the SharePoint Interface
Use the standard SharePoint creation wizard to generate a modern site and verify the available site address paths.
Modern Team and Communication sites use different provisioning logic compared to legacy subsites. To ensure full compatibility with modern web parts and templates, you should create the site directly from the SharePoint start page.
Log in to Microsoft 365 and navigate to the SharePoint start page. Click the 'Create site' button located at the top of the page.
Choose either a 'Team site' for internal group collaboration or a 'Communication site' for broadcasting information to a broader audience.
Enter a site name. In the 'Site address' field, review the generated URL. If your organization supports multiple managed paths (e.g., /sites/ or /teams/), select the appropriate prefix.
Complete the remaining fields, such as site description and privacy settings, assign owners, and click 'Finish' to create the site.
Verify Tenant Settings for Custom Branches
Check your organization's SharePoint admin center to ensure your desired custom path (e.g., /sites/external/) is configured.
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Frequently Asked Questions
Can I use legacy subsite methods to create modern SharePoint sites?
No, legacy subsite creation methods generally do not support modern site templates. Microsoft recommends creating flat site architectures using standalone Team or Communication sites linked via Hub Sites instead of deep subsite hierarchies.
Why is my desired custom SharePoint URL path unavailable?
The custom path may already be in use by another site, reserved by a recently deleted site still in the recycle bin, or not permitted by your organization's managed path configuration.
How do I rename the URL of an existing SharePoint site?
SharePoint Administrators can modify site URLs by going to the SharePoint admin center, selecting 'Active sites', clicking on the specific site, and editing the URL address in the site properties panel.
