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Outlook and mobile clients don’t authenticate after November 2021 fixes for Windows installed
Symptomsn a Microsoft Exchange Server 2019, 2016, 2013, or 2010 on-premises environment that’s configured to use Kerberos for authentication, the Microsoft Outlook and mobile device clients continually prompt for authentication after…
ACCESS TO EXCHANGE OWA CAN GET REJECTED AND IN EVENT VIEWER YOU GET…
Description Errorwhen trying to connect to exchange OWA you get General error : “Can not access the mailbox”, in event viewer you get error Event 33:Current User: 'Active directory user'
PowerShell exception…
Windows 10 KB5006738 released with fixes for printing issues
Microsoft has released the optional KB5006738 Preview cumulative update for Windows 10 2004, Windows 10 20H2, and Windows 10 21H1.Microsoft says this update and a separate Windows Server preview update will fix all outstanding printing…
New Windows 10 KB5006670 update breaks network printing
DescrptionWindows 10 users and administrators report widescale network printing issues after installing the KB5006670 cumulative update and other updates released this week.These updates include KB5006674 for Windows 11, KB5006670 …
How to fix the Windows 0x0000011b network printing error
DescriptionA Windows security update released in January and now fully enforced this month is causing Windows users to experience 0x0000011b errors when printing to network printers.In January 2021, Microsoft released a security…
A User Account Restriction Is Preventing You From Logging On
Today we saw an issue after upgrading the forest level and domain level from 2008 to 2016 at a customer.Soon after the upgrade admins started seeing problems when connecting with RDP to the domain management servers:“A user…
Manage Remote PowerShell Access to Exchange Online
Determine a User’s PowerShell Access to Exchange Online1. Let’s start by seeing which users have remote PowerShell access. If we want to see the status for our entire organization we can use a command with this syntax:…
Released: September 2021 Quarterly Exchange Updates
Today we are announcing the availability of quarterly Cumulative Updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for customer reported issues, all previously released security updates, and a new…
New security feature in September 2021 Cumulative Update for Exchange Server
Security is a top priority for Microsoft and our customers, and we continue to work very hard to keep customer data secure from cyber-threats, while ensuring compliance with evolving regulations. As part of our continued work to help you…
How to fix Access denied when you try to give user “send-as” or “receive as”…
SymptomsAssume that you create a Distribution Group on one Microsoft Exchange Server. In this situation, you cannot grant users the send-as or receive-as permission to the Distribution Group by using the add-ADPermission cmdlet from…