A blog about IT and other stuff :-)
An easy to use exploit, have been discovered for Exchange 2010, 2013, 2016 and 2019, patch now. If you have a login for a normal user, you can execute code on the server as “SYSTEM” account through Exchange Control Panel…
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Sometimes you can hear users complain about not being able to search in Outlook and OWA, one thing that often causes this, is the Content Indexing in Exchange server. So how to find out? Go to Exchange Powershell, and type:…
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Outlook 2016, 2019, 365 prompting for a password when adding a second mailbox in Exchange Online, with the primary mailbox still on-premises. This can happen in these scenarios: A user’s mailbox is on-premises, and they have access to another user…
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When you try to delete a shared mailbox, which is placed in Office 365 (Exchange Online), and you are running Hyrbid, you may see this: The following error occurred during validation in agent ‘Windows LiveId Agent’: ‘Unable to perform the…
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How to create a shared mailbox in Office 365 in hybrid environments? Why can’t people send to the newly created shared mailbox, I created weeks ago, on Exchange Online, in my hybrid environment? Well, as of writing this article, you…
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As so many times, you may have tried to upgrade Exchange to a new Cumulative Update (CU), find the newest here : Exchange Server build numbers and release dates You download, you install, it completes etc. and you’re good! Great!…
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Suddenly IMAP can stop working on your server. As you look through your setup, you will find, that it’s still configured correctly, and the service is running! – So what could be wrong? Exchange have since version 2013, used Server…
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During a recent move from on-premise Exchange 2010 to Office 365 Hybrid, I wanted to create a new user in the AD and then enable a mailbox for it afterwards, this gave this error in Exchange 2010 Powershell: Enable-RemoteMailbox user01@domain.com…
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If you ex. run Exchange 2019 i Windows Server Core, it would be great to launch Exchange Powershell module automatically, everytime you launch Powershell on the core server. This can easily be done with this command: “Add-PSSnapin Microsoft.Exchange.Management.PowerShell.SnapIn;” This works…
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Running Exchange 2019 on Windows Server 2019 Core, is the “new” preferred way to run Exchange, because of the better performance with core, fewer updates and the smaller attack surface! So let’s get a Windows Server 2019 Core up and…
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