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How to Get SharePoint and OneDrive Site Collection IDs Efficiently

Aamir Naveed Akram Oct 9, 2026 869 views

Question details

The user needs an efficient method to enumerate and retrieve site collection IDs for both SharePoint Online and OneDrive for Business.

How to Get SharePoint and OneDrive Site Collection IDs Efficiently

Product: SharePoint Online / OneDrive for Business
Device & OS: not provided
Scenario: Administrators are trying to extract site collection IDs in bulk, but finding that standard methods are incomplete or inefficient.
Observed behavior: Get-PnPTenantSite occasionally misses site collection IDs, Microsoft Graph does not completely enumerate OneDrive sites, and querying individual sites via CSOM is too slow.

Before you start

Ensure you have Global Administrator or SharePoint Administrator privileges in your Microsoft 365 tenant, and gather any existing PowerShell scripts you are currently using for troubleshooting.

Solution 1Recommended

Consult the Microsoft Q&A Community for Specialized Scripts

Since standard commands may fall short in complex environments, reaching out to Microsoft's developer community is the most effective way to get optimized PowerShell, REST API, or CSOM solutions.

Microsoft 365 environments vary greatly in size and architecture. When standard APIs like Microsoft Graph or Get-PnPTenantSite fail to deliver complete results, specialized scripts are often required.

The Microsoft Q&A platform hosts experts who frequently solve these exact enumeration limitations.

Navigate to Microsoft Q&A

Open your web browser and go to the official Microsoft Q&A platform.

Sign In to Your Account

Post Your Question

Create a new question detailing your specific environment size and the commands you have already tried (such as Get-PnPTenantSite).

Apply the Correct Tags

Ensure you add the 'SharePoint Development' tag to your post so that PowerShell, REST API, and CSOM experts can locate and answer your question promptly.

Consult the Microsoft Q&A Community for Specialized Scripts

Best Practice: Providing snippets of your currently failing scripts in your question will help the community provide a much faster and more accurate resolution.

Solution 2

Use Alternative PowerShell Approaches

While waiting for a community response, you can attempt to use optimized looping strategies with the SharePoint Online Management Shell.

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Frequently Asked Questions

Why doesn't Get-PnPTenantSite return all site collection IDs?

In large enterprise environments, standard enumeration might miss specific personal sites, or it may require specialized filtering parameters to pull hidden OneDrive URLs successfully.

Can I use Microsoft Graph to list all OneDrive sites efficiently?

Microsoft Graph can list drives for individual users, but enumerating every single OneDrive site collection across a massive tenant often requires looping through all users, which can be highly API-intensive and hit throttling limits.

What is CSOM and why is it inefficient for bulk queries?

CSOM (Client-Side Object Model) communicates with SharePoint iteratively. Querying thousands of site collections one by one via CSOM creates significant network overhead and severely slows down the data extraction process.

Where is the best place to ask for SharePoint API scripts?

The Microsoft Q&A platform, specifically using the 'SharePoint Development' tag, is the best place. It is actively monitored by Microsoft MVPs and engineers who specialize in PowerShell and REST APIs.

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