How to Bulk Reset SharePoint Permissions After Migration

The Problem: Broken Permission Inheritance

SharePoint migrations often break permission inheritance when:

• Migration tools copy unique permissions instead of preserving inheritance
• Tools create new permission entries rather than using parent permissions
• Folder-level permissions get migrated as item-level permissions
• Security groups don't map correctly between environments

The result: Thousands of items with unique permissions that should inherit from their parent library or folder. This creates:

• Management nightmare: Can't update permissions library-wide
• Performance issues: SharePoint slows with many unique permissions
• Security risks: Inconsistent permissions create access gaps
• Compliance problems: Can't audit or report permissions effectively

Solution: Reset Permissions Feature

SPO Scout's Reset Permissions feature (Pro) removes unique permissions from items and restores inheritance from the parent container in bulk.

What It Does

1. Scans the library - Identifies all items with unique permissions
2. Shows impact - Lists affected items before making changes
3. Resets inheritance - Removes unique permissions and restores parent inheritance
4. Handles scale - Works with tens of thousands of items

Real-World Example

A mid-size manufacturing company migrated to SharePoint Online. Their migration tool copied all permissions as unique entries:

Resolution Process

Using SPO Scout Pro, they fixed the entire library in 3 hours:

1. Identified exceptions - Exported list of items that should keep unique permissions (about 120 items in special folders)
2. Moved exceptions - Temporarily relocated them to a separate library
3. Reset library - Used Reset Permissions on main library (scanned 65K items, reset in batches)
4. Restored exceptions - Moved special items back with their unique permissions
5. Verified - Confirmed library-level permission changes now applied to all items

Step-by-Step Guide

1. Identify Items with Unique Permissions

Before resetting, understand what has unique permissions:

1. Open the library in SharePoint
2. Click SPO Scout extension
3. Select "Reset Permissions"
4. Click "Scan for Unique Permissions"

SPO Scout displays all items with unique permissions, showing:

• Item name and path
• Number of unique permission entries
• Who has access (users/groups)

2. Export and Review

Click "Export to CSV" to document current state. Review the list to identify:

• Items that should have unique permissions (keep these)
• Items that shouldn't have unique permissions (reset these)

3. Handle Exceptions

For items that need to keep unique permissions, either:

• Option A: Exclude them from reset by deselecting in SPO Scout UI
• Option B: Move them temporarily to another library, reset everything, then move back

4. Reset Permissions

Once you've identified what to reset:

1. Select items to reset (or use "Select All")
2. Click "Reset to Inherit from Parent"
3. Confirm the operation
4. SPO Scout processes in batches (typically 100-200 items per minute)

Note: This operation cannot be undone. Make sure you've exported the current state and identified any exceptions.

5. Verify Results

After reset:

1. Test that library-level permission changes now apply to items
2. Verify users can access content as expected
3. Check that performance has improved
4. Re-scan with SPO Scout to confirm unique permissions are gone

Use Cases Beyond Migration

Bulk Cleanup from Over-Sharing

If users created hundreds of unique permissions by sharing individual documents, reset them all to library-level permissions for easier management.

Template Library Standardization

When deploying a template library to multiple sites, reset all permissions first so each site can apply its own access rules cleanly.

Compliance Remediation

After an audit identifies excessive unique permissions as a risk, use Reset Permissions to enforce library-level security policies.

Performance & Limits

• Small libraries (<1,000 items): 5-10 minutes
• Medium libraries (1,000-10,000): 15-45 minutes
• Large libraries (10,000-50,000): 1-2 hours
• Very large libraries (>50,000): 2-4 hours

Processing happens in batches to avoid SharePoint throttling. You can pause and resume if needed.

Cost Comparison

Important Warnings

Getting Started

Reset Permissions is included in SPO Scout Pro ($299/year). Free tier allows 10 permission resets per day for testing.