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Microsoft 365 Migration

Affordable Incremental SharePoint Migration Tools for File Shares

Algirdas JasaitisAlgirdas Jasaitis Sep 29, 2026 868 views

Question details

The user is looking for cost-effective tools or configurations to perform incremental migrations from multiple file shares to SharePoint, as the standard SharePoint Migration Tool (SPMT) rescans all source data and takes too long.

Affordable Incremental SharePoint Migration Tools for File Shares
Product
Microsoft SharePoint
Device & OS
not provided
Scenario
Migrating large volumes of data from on-premises file shares to SharePoint using incremental copying to save time.
Observed behavior
The default SharePoint Migration Tool (SPMT) scans all source data during repeated jobs, causing significant delays during large data migrations.
Before you start

Before exploring third-party migration tools, ensure you have global admin access to your Microsoft 365 tenant and a clear map of your current file share structures and permission settings.

Solution 1Recommended

Consult Microsoft Support for Advanced SPMT Configurations

Before purchasing third-party tools, verify if your specific incremental migration needs can be met by optimizing the free SharePoint Migration Tool (SPMT).

Microsoft provides the SharePoint Migration Tool (SPMT) for free, but default settings may cause extensive rescanning. Reaching out to support can uncover hidden optimizations.

1
Access the Microsoft 365 Admin Center

Log in to the Microsoft 365 admin center (admin.microsoft.com) using your global administrator credentials.

2
Open Help & Support

Navigate to the 'Help & Support' section located at the bottom right of the admin dashboard, and select 'Contact Support'.

3
Submit a Support Request

Create a new request detailing your migration scope, file share sizes, and the need for incremental copying without full rescans.

4
Provide Migration Logs

Share your current SPMT migration task configurations and logs with the support agent to help them identify potential workflow optimizations.

Consult Microsoft Support for Advanced SPMT Configurations
Support Availability: Microsoft 365 Support is included in most enterprise subscriptions. Be prepared to provide specific error logs or performance metrics to expedite the troubleshooting process.
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Frequently Asked Questions

Why does the SharePoint Migration Tool (SPMT) take so long on repeated jobs?

By default, SPMT rescans the entire source data directory to identify changes during repeated migration jobs. For very large file shares, this scanning process alone can consume a significant amount of time, even if only a few files were modified.

What is incremental migration in SharePoint?

Incremental migration is a process where a tool initially copies all your data (the seed) and then, in subsequent runs, only copies the new or modified files (the delta). This drastically reduces migration time for active file shares.

Does SharePoint throttle third-party migration tools?

Yes, SharePoint Online employs throttling to maintain service availability. Migration tools must be designed to recognize '429 Too Many Requests' errors and automatically back off and retry. Ensure your chosen third-party tool explicitly supports SharePoint throttling.

Are there affordable alternatives to ShareGate for SharePoint migrations?

Yes, while ShareGate is highly regarded, organizations with strict budgets often utilize lower-cost alternatives like GS RichCopy360, which offer robust support for incremental copying from multiple file shares to SharePoint while navigating throttling limits.