Fix SharePoint Custom Group Missing from Permission Assignment
Question details
Users are unable to see or assign permissions to a custom SharePoint group that successfully displays in the People and Groups directory.

- Product
- Microsoft SharePoint
- Device & OS
- not provided
- Scenario
- An administrator is attempting to assign custom permissions to a newly created SharePoint group but cannot find it in the site permissions interface.
- Observed behavior
- The custom group is visible in People and Groups (groups.aspx) but missing from the site permissions interface (user.aspx). Attempting to recreate the group results in a duplication error.
Ensure you have Site Owner or Full Control administrative privileges before attempting to modify SharePoint site permissions, and verify that the missing group hasn't been recently renamed.
Manually Grant Initial Permissions to the Custom Group
SharePoint may not list a newly created group under Site Permissions until you explicitly grant it an initial permission level.
In SharePoint, there is a distinct difference between the 'groups.aspx' page and the 'user.aspx' page. The 'groups.aspx' page lists all groups that have been created on the site, while the 'user.aspx' page only displays users and groups that currently possess active permissions. To make the group visible in the permissions menu, you must manually grant it access.
Open your SharePoint site, click on the gear icon (Site Settings) in the top right corner, and select 'Site permissions'.
Click on the 'Grant Permissions' icon located in the ribbon menu at the top of the permissions page.
In the 'Invite people' dialog box, manually type the exact name of your newly created custom group. It should appear in the auto-suggest dropdown.
Select the group, click 'Show options', choose the appropriate permission level (e.g., Read, Edit, or Contribute), and click 'Share'.

Resolve Backend Permission Propagation Issues
If the group still cannot be found when searching the 'Grant Permissions' dialog, it is likely due to a backend permissions-propagation issue that requires Microsoft Support.
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Frequently Asked Questions
Why do I get an error when I try to recreate my missing SharePoint group?
SharePoint recognizes that the group already exists in the 'People and Groups' directory (groups.aspx). Attempting to recreate a group with the exact same name causes a conflict, even if the group hasn't appeared in the Site Permissions list yet.
What is the difference between groups.aspx and user.aspx in SharePoint?
The 'groups.aspx' page serves as a directory listing all the groups that have been created on the site. In contrast, 'user.aspx' strictly lists only the users and groups that currently have assigned permissions on that specific site.
How long does permission propagation usually take in SharePoint Online?
Typically, permission changes and new group creations propagate within a few minutes. However, during high server load or backend sync issues, it can take up to 24 hours. If it exceeds this timeframe, you should contact Microsoft Support.




