Tag Archives: Exchange Online

Microsoft confirms Outlook bug dropping error 603: Can't configure Exchange Online mailbox

[German]Microsoft has published a new support article that addresses an error in the Outlook desktop application. Users receive error 603 "Can't configure Exchange Online mailbox" during autodiscover while configuring a connection to an Exchange Online mailbox. Advertising

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Outlook/Apps failing sending mails? Microsoft has disabled SMTP (July 2022)

[German]Very brief information for users and administrators who use Microsoft 365 or Microsoft Office 365 with Exchange Online and are suddenly confronted with the problem that the sending of emails in Microsoft Outlook or in other applications is on strike. … Continue reading

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Basic Authentication in Exchange Online will be discontinued as of October 2022

[German]It was already announced September 2021 that the Basic Authentication in Exchange Online will be deactivated. The cutoff date for this disablement to begin is October 1, 2022. As of May 3, 2022, Microsoft has now reiterated this cutoff date, … Continue reading

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Exchange Online: Mysterious Outlook Disconnected Error 0x8004011D

[German]A German blog reader just notified me about a problem with Microsoft Exchange Online that he was facing suddenly with Microsoft Outlook (from Office 365). A solution that had been running smoothly for years suddenly is causing issues, when synchronizing … Continue reading

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Issue in Exchange Online (14.12.2021)

Short message about Microsoft Exchange Online. Yesterday there seem to have been disturbances that affected users of Exchange Online. Mails that were supposed to be sent via Exchange Online are delayed or get stuck as draft or to be sent. … Continue reading

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Exchange Online: Enabling Apple Mail App Clients for Modern Authentication

[German]Quick note for administrators who manage Apple devices with older iOS versions in an Exchange Online environment. Make sure that these devices are prepared for Modern Authentication, otherwise there will soon be communication problems. No later than October 1, 2022, … Continue reading

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Outlook connection issues with Exchange Online (07/15/2020)

[German]As of July 15, 2020, Outlook users did not only have the problem that the application crashes due to an update. Some users were also no longer able to log on to Exchange Online with Outlook. Advertising

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Exchange Online: Unable to access (05/13/2020)

[German]Short status message about the Microsoft Cloud. Currently there are probably login problems with the Microsoft service Exchange Online again. According to a Microsoft report, this probably occurs worldwide. Advertising

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Exchange Online Service disruption (30.4. – 1.5.2020)

[German]Brief info: Blog reader Andreas P. informed me by mail about service disruptions at Exchange Online that started end of April and still continues on May 1, 2020. Advertising

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Disabling Exchange Online Basic Authentication in 2021

[German]In view of the corona crisis, Microsoft has postponed his announced plans, to retire the basic authentication of Exchange Online in autumn 2020. This authentication will now be switched off in the second half of 2021 at the earliest. Advertising

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