MFA & Verification Issues

Fix SharePoint Phone Verification Fails During Subscription

Maira Mehtab Sep 22, 2026 869 views

Question details

The user is unable to complete their SharePoint business subscription signup because the system fails during the phone or text verification step, and standard support links are unresponsive.

Product: SharePoint
Device & OS: not provided
Scenario: Attempting to sign up for a SharePoint business subscription.
Observed behavior: The signup process halts and fails at the phone or text verification stage, preventing the creation of the business account.

Before you start

Ensure you are using a standard mobile or landline number, as VoIP or virtual numbers are frequently blocked by Microsoft's verification systems.

Solution 1Recommended

Clear Browser Data and Use a Different Browser

Browser cache conflicts or extension interference can block the verification script from running properly.

Often, temporary browser files or corrupted cookies can interfere with Microsoft's secure verification portals. Clearing these files or switching to a completely different browser environment can resolve the script error.

Open an Incognito/Private Window

Launch your web browser and open a Private or Incognito window to bypass any active browser extensions.

Clear Cache and Cookies

If you prefer using your standard browser window, go to your browser settings, locate the privacy section, and clear your cache and cookies for all time.

Retry the Verification

Navigate back to the SharePoint business subscription page and attempt the phone verification process again.

Supported Browsers: For the best compatibility with Microsoft portals, try using Microsoft Edge or Google Chrome.

Solution 2

Contact Microsoft Customer Support by Phone

If automated verification fails repeatedly, you must contact Microsoft Support directly to bypass the system block.

Free Microsoft Office alternative

Avoid Subscription Hassles with WPS Office

If Microsoft 365 and SharePoint subscription blocks are slowing down your productivity, consider switching to WPS Office. It provides a comprehensive, lightweight, and completely free suite for your document needs without the frustrating verification barriers.

1. Download the Installer: Visit the official WPS Office website and download the free installation file for your operating system.
2. Install WPS Office: Run the setup file and follow the quick on-screen instructions to install the suite on your computer.
3. Open Your Documents: Launch WPS Office and instantly open, edit, and save your existing Microsoft Office files without any mandatory phone verifications.

Free and lightweight Office suite with no complex subscription verification stepsFully compatible with Microsoft Word, Excel, and PowerPoint formatsSeamless migration with a highly familiar and easy-to-use user interfaceBuilt-in PDF editing tools and cloud collaboration features

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Frequently Asked Questions

Why is my phone number rejected during Microsoft 365 signup?

Microsoft's security systems may reject numbers that are VoIP, virtual, newly issued, or those that have been flagged for multiple failed verification attempts in a short timeframe.

How long should I wait before retrying the SharePoint phone verification?

If you have failed verification multiple times, it is highly recommended to wait at least 24 hours before attempting the process again to prevent your IP or phone number from being temporarily blacklisted.

Can I use an email address instead of a phone number for SharePoint business verification?

No. To prevent automated bot signups and secure the business environment, Microsoft mandates a valid mobile or landline phone number capable of receiving calls or SMS texts for business subscription verification.

Login & Account Issues