Fix the NoComponentID Error Migrating SharePoint Pages
Question details
Users need to resolve a specific error that prevents ASPX pages from migrating correctly from on-premises SharePoint to the cloud.
- Product
- SharePoint Migration Tool (SPMT)
- Device & OS
- not provided
- Scenario
- Migrating ASPX pages, particularly system-created pages like Home.aspx, from an on-premises SharePoint Server to SharePoint Online.
- Observed behavior
- The migration fails, returning a NoComponentID error in SPMT or SharePoint Designer, leaving the page unmigrated or incompatible.
Verify whether the affected page is a system-created page (such as Home.aspx) located in the Site Pages library, as these are highly susceptible to modern-view structural incompatibilities.
Manually Recreate the Incompatible Page in SharePoint Online
Since system-created pages in the Site Pages library often fail to migrate, manually redesigning them directly in SharePoint Online is the most reliable approach.
The SharePoint Migration Tool (SPMT) handles pages in the Site Assets library well, but often struggles with Home.aspx and other system pages in the Site Pages library due to differing web part IDs. Bypassing the automated migration for these specific pages saves time and prevents repeated NoComponentID errors.
Open your SPMT migration log and note down all ASPX files that threw the NoComponentID error (e.g., Home.aspx).
Log into your target SharePoint Online site, click 'New' from the top menu, and select 'Page' to open the modern page builder.
Manually add the equivalent modern web parts (Hero, Quick Links, Document Library, etc.) to match the layout and functionality of your old on-premises page.
Once published, navigate to your Site Pages library, right-click the newly created page, and select 'Make homepage'.
Align Templates and Modern-View Settings
Matching the environment configurations can resolve migration compatibility issues for custom non-system pages.
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Frequently Asked Questions
Why does SPMT skip Home.aspx during SharePoint migration?
Home.aspx is typically stored in the Site Pages library and is classified as a system-created page. SPMT often encounters ID mismatches (NoComponentID) because the modern-view web part architecture in SharePoint Online differs significantly from older on-premises configurations.
Can I use SharePoint Designer to bypass the NoComponentID error?
No, migrating system-created ASPX pages via SharePoint Designer frequently results in the exact same NoComponentID error due to underlying layout and modern-view incompatibilities between the platforms.
How do I check which pages failed with a NoComponentID error?
After running the SharePoint Migration Tool, click on the 'View Reports' link. Open the ItemFailureReport.csv or FailureSummary.csv files to see a detailed list of items that failed to migrate, including their specific error codes.
