ServiceNow for Microsoft 365アプリをTeamsに設定したら、Portal画面が表示されない
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09-11-2025 06:01 PM
ServiceNow for Microsoft 365でPortalが開けずエラーが表示されます原因と解決の機会を知りたい。
エラー:「ユーザー認証中にエラーが発生しました」
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考えられる原因は、以下。
・Azure Portalのアプリにインストールした[SSO and Activity Notification]のAPIの要求の値[TeamsActivity.send]を削除。(権限が強いため一時的に削除)
・カスタムポータルの埋め込みを実施。ESCポータル⇒XXサービスポータルに変更
・sys_properties>sn_now_teams.portal.suffix >suffix>Value>XXspに設定
※空の場合は標準でESCポータルになる。
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============English👇============
I can't open Portal in ServiceNow for Microsoft 365 and I get an error. I want to know the cause and the opportunity to resolve it.
Error: "An error occurred while authenticating user"
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Possible causes are as follows:
- Deleted the API request value [TeamsActivity.send] installed in the Azure portal app. (Temporarily deleted due to strong permissions)
- Custom portals have been embedded. ESC Portal ⇒ Change to XX Service Portal
・Set to sys_properties>sn_now_teams.portal.suffix>suffix>Value>XXsp
*If it is empty, it will be the ESC portal as standard.
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09-12-2025 02:00 AM
Hi @NatsukiO
This solution might help you
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09-12-2025 02:44 AM
Hi @NatsukiO
I’ve come across a couple of similar cases in the ServiceNow Community where the ServiceNow for Microsoft 365 (Teams) app showed the error “An error occurred while authenticating user”. These might be helpful references:
In this case, the issue was due to a mismatch between Azure AD UPN and the ServiceNow user email. Adjusting the OIDC claim mapping resolved the authentication problem.
https://www.servicenow.com/community/ms-teams-forum/quot-error-while-authorizing-the-user-quot-facin...
Here, the error was also authentication-related. The resolution involved verifying that Azure AD attributes (UPN/email) were properly aligned with the ServiceNow user table.
https://www.servicenow.com/community/developer-forum/teams-tab-is-not-working-to-access-servicenow-p...
Thanks & Regards,
Muhammad Iftikhar
If my response helped, please mark it as the accepted solution so others can benefit as well.
Muhammad Iftikhar
If my response helped, please mark it as the accepted solution so others can benefit as well.
