Is HENNGE One down right now?
Yes — HENNGE One is reporting a minor incident as of Oct 12, 7:42 AM UTC.
Current Status
Partially Degraded Service
Components
Recent Incidents
An Issue by HENNGE One Support Desk: Difficulty connecting phone
minorOct 7, 2026
続報です。 弊社 HENNGE One サポート窓口（Technical Support）および導入支援窓口の電話につきまして、現在つながらない状況であることを確認しております。 恐れ入りますが、お問い合わせ等がございます場合は、各窓口のメールやWebフォームよりご連絡下さいますようお願い申し上げます。 ご迷惑をおかけしており恐れ入ります。 ------------------------------------- Here is an update regarding this issue. We are currently experiencing an issue where phone calls to the HENNGE One Technical Support and Onboarding Support hotlines are unable to go through. If you need assistance or have any inquiries, please contact us via email or through the web form for each respective support window. We sincerely apologize for any inconvenience this may cause.
An Issue in HENNGE Secure Browser: Microsoft 365(Outlook on the web)
minorOct 1, 2026 · resolved Oct 2
Microsoft 365 (Outlook on the web) へアクセスするとループが発生し正常にアクセスが出来ない事象は Microsoft 側で対応が行われ 2026年 10月 1日 22時 00分（JST）に解消したことを確認しております。 詳細につきましては、以下もご確認くださいますようお願いいたします。 ・Microsoft 365 管理センター：サービス正常性 インシデント番号: EX1484256 https://admin.cloud.microsoft/#/servicehealth/history/:/alerts/EX1484256 ※ 該当のインシデントが表示されていない場合は Microsoft 社へお問い合わせください この度はご迷惑をおかけしましたことをお詫び申し上げます。 −−−−−−−−−−−−−−−−−−−−−−−−−−− We have confirmed that the issue causing a login loop and preventing normal access to Microsoft 365 (Outlook on the web) has been addressed by Microsoft and was resolved on October 1, 2026, at 10:00 PM (JST). For further details, please also refer to the following: ・Microsoft 365 Admin Center: Service health Incident Number: EX1484256 https://admin.cloud.microsoft/#/servicehealth/history/:/alerts/EX1484256 *If the relevant incident is not displayed, please contact Microsoft. We sincerely apologize for any inconvenience this may have caused.
An Issue in HENNGE Email DLP：Email delays to Exchange Online
minorSep 4, 2026 · resolved Sep 7
Microsoft 365（Exchange Online）宛のメール配送におきまして一部遅延が発生しておりまし事象は Microsoft 側で対応が行われ 2026年9月5日01時05分（JST）に解消したことを確認しております。 本件によって遅延したメールにつきましては自動的に再送されておりますので、手動での再送処理などは必要ありません。 この度はご迷惑をおかけしましたことをお詫び申し上げます。 −−−−−−−−−−−−−−−−−−−−−−−−−−− We have confirmed that the issue causing partial delays in email delivery to Microsoft 365 (Exchange Online) has been addressed by Microsoft and was resolved on September 5, 2026, at 01:05 AM (JST). Emails delayed due to this incident have been automatically resent, so no manual action is required on your end to resend them. We sincerely apologize for any inconvenience this may have caused.
An Issue in HENNGE Endpoint & Managed Security
minorSep 3, 2026 · resolved Sep 4
本件につきまして続報です。 発生しておりました事象は解消し、現在は問題なく動作していることを確認いたしました。 この度はご迷惑をおかけしました事をお詫び申し上げます。 --------------------------------------------------------- The issue has been resolved, and we have confirmed that the service is now operating normally. We sincerely apologize for any inconvenience this may have caused.
An Issue in HENNGE Tadrill：Unable to access the service.
majorJul 16, 2026 · resolved Jul 16
本件につきまして続報です。 Tadrill のページへアクセスした際にエラーが表示される事象につきまして AWS側でも原因となっていた障害は解消したことがアナウンスされたことを確認いたしました。 本件のインシデントレポートは後日、サービスのご契約があるお客さまにメールで個別にご案内いたします。 この度はご迷惑をおかけしました事をお詫び申し上げます。 --------------------- Here is an update regarding this matter. We have confirmed that AWS has announced the resolution of the outage that caused the issue where an error was displayed when accessing Tadrill page. An incident report regarding this issue will be sent individually via email to customers with an active service subscription at a later date. We sincerely apologize for the inconvenience this issue has caused.
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HENNGE One status — frequently asked questions
Is HENNGE One down right now?
Yes — HENNGE One is reporting a minor incident as of Oct 12, 7:42 AM UTC.
What is HENNGE One's current status?
HENNGE One: Partially Degraded Service. Alert24 checks HENNGE One's status page continuously and can notify you the moment it changes.
How do I get alerted when HENNGE One goes down?
Alert24 monitors HENNGE One and 3,700+ other cloud and SaaS providers. When an outage is detected it updates your status page automatically and pages your on-call team — no manual checks. Start free at alert24.net.
