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Edge Add-ons company enrollment blocked by SessionValidationFailed #748
Description
Issue
We are trying to enroll a legally registered company in Tunisia in the Microsoft Edge Add-ons program through Partner Center.
We selected Tunisia and Company, completed the legal business and contact information using an official email address on the company domain (xaere.io), and accepted the developer agreement. The enrollment request was then blocked.
Actual result
Partner Center redirected to a URL ending in:
/error/msedgeaddons/SessionValidationFailed
The page states that the request was blocked, but no reference number or transaction ID was displayed.
The Partner Center support form cannot be completed either: its required Workspace dropdown displays No results found, because the Edge workspace was not created.
Expected result
The company enrollment should be submitted for Microsoft verification, or the error page should provide a usable reference/transaction ID and a support route that works before the Edge workspace exists.
Environment
- Program: Microsoft Edge Add-ons
- Account type: Company
- Country/region: Tunisia
- Date: September 2, 2026
- Browser: Google Chrome
Could the Edge Extensions team help unblock or reset this enrollment?
Activity
Rahul-Bauri commentedon Sep 4, 2026
Hi Proxiweb (@ProxiwebLabs) could you please provide the MSA email address you are trying to enroll with as well as the error screenshots and HAR file while the error happens, these details will help the team investigate effectively and help you unblock. Thanks.
To capture a HAR (HTTP Archive) file in Microsoft Edge, follow these steps:
Rahul-Bauri commentedon Sep 10, 2026
Closing this issue as we have not received the requested information needed to investigate the problem further. If you encounter the issue again, please create a new bug report and include the requested details so that we can assist you more effectively and help unblock you. Thank you for your understanding.