Microsoft Exchange and Active Directory Blog
Yesterday, security updates were released for Exchange Server 2016 and Exchange Server 2019. In connection with Outlook and Exchange Server 2019, there are now increasing reports of problems with the search. Admins are reporting problems on the Exchange Team Blog and in the comments to my post. The search apparently produces the error message ... Read more
The Outlook vulnerability CVE-2023-23397 is currently being actively exploited. This is particularly critical as exploitation is possible without user interaction. By exploiting the vulnerability, attackers can obtain NTLM hashes of the user and possibly use them for subsequent attacks. To exploit the vulnerability, it is sufficient to send a prepared e-mail or a calendar invitation to the user ... Read more
Two Outlook Autodiscover settings, which are active in the default setting, often cause problems when setting up Outlook accounts. In the default setting, Outlook always tries to retrieve Autodiscover settings from Microsoft 365, which often leads to problems with on-prem Exchange servers. Outlook also tries to retrieve the Autodiscover settings from the root domain ... Read more
Heute wollte meine Office Programme nicht mehr starten. Scheinbar ist ein vorheriges Update schief gelaufen. Beim Start von Outlook und allen anderen Office Programmen erscheint nur noch kurz der Hinweis “Office wird aktualisiert. Warten Sie bitte kurz”: Nach kurzen Warten scheint dann die folgende Fehlermeldung, keinen der Office Programme startet: Im System Eventlog taucht die … Read more
Who isn't familiar with the evil "Reply all" function in Outlook? An important piece of information is quickly sent to the whole company, and then there's a flood of replies because the recipients use the "reply all" function: Depending on the size of the organization, such a flood of emails can generate a few million emails and thus ... Read more
On March 17, 2018, I drew attention to an idea by Jeff Guillet. The idea is about saving email signatures as part of the Exchange mailbox so that a uniform signature is possible on all devices. Up to now, the Outlook e-mail signature has been saved in the user profile of the respective client. The idea of ... Read more
This short article is intended to list the most common causes of problems with the Outlook connection to Exchange during migration. Connection problems often occur after a mailbox has been moved to a newer Exchange version. Outlook then often displays one of the following messages: The Microsoft Exchange administrator has made a change that requires Outlook to be restarted. ... Read more
Microsoft hat die erste Preview von Office 2019 und damit auch Outlook 2019 veröffentlicht. Die Preview ist öffentlich und lässt sich beispielsweise mit einen Office 365 Account runterladen. Um die Preview zu testen, kann sich hier zunächst für das Collaborate Program registriert werden: https://developer.microsoft.com/en-us/dashboard/collaborate/ Unter dem Punkt “Engagements” kann dann die Office 2019 Preview runtergeladen … Read more
Eine neue Exchange Server Version wurde bereits auf der Ignite in Orlando angekündigt, aber auch Office wird 2018 in einer neuen Version vorliegen. Meist wird Office sogar noch etwas früher als Exchange 2019 freigegeben. Damit dürften nächstes Jahr ein paar größere Migrationsprojekte starten. Today, at Microsoft Ignite in Orlando, we announced Office 2019—the next perpetual … Read more
