Exchange 2019 Archives - Page 2 of 3

Azure ENS | Endpoint Security EPO | ePolicy Orchestrator Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE Mcafee/Trellix Microsoft Exchange SECURITY

M365, Exchange Online Remote Powershell blocked by T1056 Mitre Trellix

04.04.2023 admin

Trellix ENS 10.X, T1056 – Key capture using PowerShell detected, Host intrusion buffer overflow ExP:Illegal API Use Blocked an attempt to exploit C:\WINDOWS\SYSTEM32\WINDOWSPOWERSHELL\V1.0\POWERSHELL.EXE, which targeted the GetAsyncKeyState API. For efficient M365 and Exchange Online management, there are various methods available. While utilizing the PowerShell button within the Admin Portal is one option, it requires an Azure […]

Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 Hotfixes, Updates M365,AZURE,INTUNE SECURITY SPAM Fortimail

CVE-2023-23397, Outlook.exe Exploit, PidLIDReminder custom Sound ab SMB für Termin Reminder

15.03.2023 admin

CVE-2023-23397 Was ausgenutz wird: Anstatt Standard Microsoft Outlook Sound kann man für ein meeting reminder einen Custom Sound angeben. Dieser kann auf einem Share liegen. Da liegt der Hund begraben. https://learn.microsoft.com/de-de/office/client-developer/outlook/mapi/pidlidreminderoverride-canonical-property https://www.forbes.com/sites/daveywinder/2023/03/15/microsoft-outlook-warning-critical-new-email-exploit-triggers-automatically-update-now/?sh=47f058ce6e5e CVE-2023-23397 ist ein Outlook-Bug. Wenn Sie eine eingehende E-Mail für einen Termin mit einer benutzerdefinierten Erinnerung (Ton, Attribut PidLIDReminder) senden, wird Outlook.exe (2012/2016) versuchen, […]

Azure CRUNCH Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE Microsoft Exchange

M365/Hybrid Exchange Setup: Steps to verify on-premise, Prepare for Directory Synchronization (IDFIX, UPN, Proxyaddress)

03.02.2023 admin

TIP: Cleanup everything LOCAL before you even think of moving anything to M365 or Azure or even starting the Connector PRO TIP: Full manual list of Objects/attribute to check on your local ADS in this blog. This blog entry is mainly about those two steps of the MS Technet: https://learn.microsoft.com/en-us/microsoft-365/enterprise/prepare-for-directory-synchronization?view=o365-worldwide Directory Clean-up Tasks Directory object […]

Exchange 2013 Exchange 2016 Exchange 2019 M365,AZURE,INTUNE Microsoft Exchange

Exchange: Error when you want to change a Receive Connector TLS with a Cert with no Common Name

01.02.2023 admin

On an Exchange 2016/2019/M365/Azure you want to change the TLS Certificate of your Receive Connector. Your SAN (Subject Alternate Name) or Wildcard Certificate has no Common Name [CN] (Empty). When you try to assign the cert the regular way you get an error. Nothing wrong with the Cert company just the other side (Requester/Converter) as […]

Exchange 2016 Exchange 2019 Microsoft Exchange

Exchange 2016 CU20 Schema Update setup.exe /preparead fail because of case sensitivity of OWA APP Policy

19.10.2022 admin

ISO/PATCH: ExchangeServer2016-x64-cu20 Cumulative Update 20 for Exchange Server 2016 (microsoft.com) Problem: Exchange 2016 CU20 Setup.exe /preparead (Version 15.1.2242.4 Fails) on Server 2016 (1607) Step Configuring Microsoft Exchange Server Organization Preparation results FAILED Exchange 2016 CU 20 need and fails to update Active Directory Schema to newer Version (setup.exe /prepareschema works setup.exe /Preparead fails) if you […]

Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE Microsoft Exchange

Exchange 2010 – 2016 Migration remove of old MDB fails (Mailboxexports)

28.07.2022 admin

Error: This mailbox database is associated with one or more active MailboxExport requests Source: This means you have current/Pending/stalled as sample PST Exports running (Maybe very old). Solution: You will have to remove those you are able to remove the emtpy old Exchange MDB. Get-MailboxExportRequest (ExchangePowerShell) | Microsoft Docs Microsoft Exchange Error […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Outlook

WINMAIL.DAT (Exchange 2007-2016-M365) Outlook – DEUTSCH

25.10.2021 admin

WINMAIL.DAT Transport Neutral Encapsulation Format oder TNEF ist ein proprietäres E-Mail-Anhangsformat, das von Microsoft Outlook und Microsoft Exchange Server verwendet wird. Eine Datei mit TNEF-Codierung wird in der Regel als winmail.dat oder win.dat bezeichnet und hat einen MIME-Typ von Application/MS-TNEF. Der offizielle (IANA) Medientyp ist jedoch application/vnd.ms-tnef. Wie oder wann passiert das? Wenn ein Absender […]

Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 Microsoft Exchange

Exchange: Addresslist and Dynamic Distribution Groups in Shell

16.10.2021 admin

All you need are working samples not thousands lists and Technet Articles. So here we go with some Exchange Powershell we daily use. Maybe you want lists of all fields so you can choose one to use for the filter first. Get all user info from a certain OU Starting OU would be: OU=Active,OU=Users_W7,OU=BUTSCH,DC=butsch,DC=ch Get-ADUser […]

Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019

Exchange Meeting Resource Rooms, Booking, Delegate to Assistant

27.09.2021 admin

Exchange 2007/2010 Meeting Resource Rooms, Booking, Delegate to Assitant What we want: Because users can book meeting rooms and sometimes do that wrong IT or assistants want a solution so they can “Approve” each meeting before it gets finally booked. This is called Resource Delegates in Exchange World 😉 Microsoft has made a great effort to […]

CRUNCH Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Microsoft Exchange Outlook

Exchange 2013/2016 and 2010 Proxy back (400) Bad Request, ADS-user in too many ADS-groups member

23.06.2021 admin

Exchange 2010/2013/2016 Migration, problem after DNS-pointing to 2016 structure with some users Outlook.exe When you thought Kerberos Bloating is way back 2012 it returns. And after some research it is still all over the place. It does affect on premise Solutions as well as cloud solution like ADFS, AZURE etc. Error: This error (HTTP 400 […]

Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online

How to turn off Autodiscover Warning in Outlook 2010, 2013, 2016, 2019

25.09.2020 admin

How to turn off Autodiscover Warning in Outlook 2010/2013/2016/2019 (Exchange 2010/2013/2016) Warnung: Das Konto wurde fuer die Einstellung auf die Website umgeleitet https://support.microsoft.com/en-us/help/2480582/how-to-suppress-the-autodiscover-redirect-warning-in-outlook A little bit more explained than in the Microsoft KB and with a check THAT if you ONLY set the Registry key if the OFFICE Version is installed. During Migrations you could […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE Microsoft Exchange Uncategorized

Defrag Exchange on-premises Database with ESEUTIL

29.02.2020 admin

http://technet.microsoft.com/en-us/library/aa998863(v=exchg.80).aspx If you are at the end of Migration. Check there are no user active on the DB: Show all mailboxes on Database “mb3” Get-Mailbox -Database “mb3” | select Displayname, Alias, Database, OrganizationalUnit | ft -wrap –auto Also check this KB for hidden accounts and dead accounts : https://www.butsch.ch/post/Exchange-20072010-Delete-default-Mailbox-Database-remove-last-MailboxSG.aspx Get the Path of the DB: How […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 GPO | Gruppenrichtlinien M365 - Exchange Online Microsoft Exchange Outlook W10

Turn of Autodiscover warning box agree Outlook.exe with GPO

05.02.2019 admin

How to turn off Autodiscover Warning in Outlook 2010/2013/2016/2019 Warnung: Das Konto wurde fuer die Einstellung auf die Website umgeleitet https://support.microsoft.com/en-us/help/2480582/how-to-suppress-the-autodiscover-redirect-warning-in-outlook A little bit more explained than in the Microsoft KB and with a check THAT if you ONLY set the Registry key if the OFFICE Version is installed. During Migrations you could otherwise run […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365,AZURE,INTUNE Microsoft Exchange

Exchange: Server 2008 SMTP/IIS does not write Logfiles

29.05.2017 admin

On old Exchange machines we migrated we often (After Exchange is de-installed) install the SMTP Server. So we can re-route E-Mail from devices which have not been migrated and log that info. You have a Server 2008 64BOIT RTM and the separate installed SMTP-Service in IIS 6.0 Manager does not write Logfiles. You set the […]

Exchange 2007 Exchange 2010 Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online Microsoft Exchange

Exchange 2010, Activesync Partnership Fails when user moved to new OU in ADS

21.04.2015 admin

Error: Error message when you try to perform a remote wipe operation for a device in Exchange Server 2010: “The ActiveSyncDevice identity cannot be found” This is generated do a bug as we see it. The user with an ACTIVE Activesync Partnership HAS been moved to another OU in Active Directory. This seems logical since […]


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Category: Exchange 2019