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Microsoft 365 のサービス正常性（SP499312）にて、IRM（Information Rights Management）を有効にしたドキュメントライブラリ内の PDF ファイルを Microsoft Edge 経由で開けない SI（サービスインシデント）が発生しています。

“SP499312” のサマリー

問題

IRM（Information Management Right）を有効にしたドキュメントライブラリ内の PDF ファイルが、Microsoft Edge で開けない

回避方法

–

現在

原因

最近の Microsoft Edge のアップデート内にバグが含まれており、IRM（Information Rights Management）の設定が有効なドキュメントライブラリで問題が発生

影響範囲

Information Rights Management (IRM) が有効なドキュメントライブラリを利用するすべてのユーザーに影響

・Title : Users with Microsoft IRM enabled libraries may be unable to open PDF files in Microsoft Edge
・User Impact : Users with Microsoft IRM enabled libraries may have been unable to open PDF files within the Microsoft Edge.
・More info : Specifically, users on Microsoft Edge version 109.x were impacted.
・Final status : After further review, we determined that there was a bug in a recent Microsoft Edge version deployment.
We developed a build with a fix and deployed it to the affected environment to remediate the impact.
・Scope of impact : This issue may have impacted any user with a Microsoft Information Rights Management (IRM) enabled library.
・Start time : Wednesday, January 11, 2023, 4:02 PM (7:02 AM UTC)
・End time : Friday, January 20, 2023, 11:12 AM (2:12 AM UTC)
・Root cause : A bug in a recent Microsoft Edge version deployment caused issues with Microsoft IRM enabled libraries.
・Next steps : – We’re analyzing our Microsoft Edge version build version deployment processes to better catch similar issues prior to their deployment.
This is the final update for the event.

・Title : Users with Microsoft IRM enabled libraries may be unable to open PDF files in Microsoft Edge
・User Impact : Users with Microsoft IRM enabled libraries may be unable to open PDF files within the Microsoft Edge.
・More info : Specifically, users on Microsoft Edge version 109.x are impacted.
・Current status : We’re further reviewing the support case details and an identified potential solution as we confirm our action plan for remediating the impact.
・Scope of impact : This issue may impact any user with a Microsoft Information Rights Management (IRM) enabled library.
・Next update by : Friday, January 20, 2023, 4:00 PM (7:00 AM UTC)

・Title : Users with Microsoft Information Rights Management (IRM) enabled can’t open PDFs within the Microsoft Edge browser
・User Impact : Users with Microsoft IRM enabled are unable to open PDF files within the Microsoft Edge browser.
・Current status : We’re investigating a potential issue and checking for impact to your organization.
We’ll provide an update within 30 minutes.