Microsoft released a hotfix for Exchange Server 2016 and 2019 which includes some fixes but most importantly includes a very important feature, Hybrid Modern Authentication support for OWA and ECP in Exchange Server 2019 CU14. in this link, you find the Microsoft original KB regarding the hotfix and some useful information. Exchange 2019 CU14 HU2 15.02.1544.011 Download Exchange 2019 CU13 HU6 15.02.1258.034 […]
Microsoft released several SUs for Microsoft Exchange Server 2016, 2019 addressing found vulnerabilities in these products. Microsoft encourages customers to apply SU due to the critical nature of these vulnerabilities. Exchange Online customers are already protected from the vulnerabilities addressed by these SUs and do not need to take any action. Microsoft has released Security Updates for vulnerabilities found in: […]
Windows 365 combines the power and security of the cloud with the versatility and simplicity of the PC. Resources: https://www.microsoft.com/en-us/windows-365
All Windows systems are vulnerable!!! Microsoft (01.07.2021) has published the information related to remote code execution vulnerability that affects Windows Print Spooler and has assigned CVE-2021-34527 to this vulnerability -nicknamed PrintNightmare-. A remote code execution vulnerability exists when the Windows Print Spooler service is improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code […]
Microsoft has released critical security update -April 2021- for on-premises Exchange Servers 2013, 2016 and 2019 to fix the following Remote Code Execution vulnerabilities: CVE-2021-28480 | Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2021-28481 | Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2021-28482 | Microsoft Exchange Server Remote Code Execution Vulnerability CVE-2021-28483 | Microsoft Exchange Server Remote Code Execution Vulnerability […]
Active Directory Export All AD Users to CSV: Get AD User Properties: Get all GPOs and their creation time: Hyper-V Get Snapshot on VM: Delete VM Snapshot: Office 365 Connect to Tenant: Get Calendar Permission:
In this particular post, i would like to talk about 3 very important DNS records for any mail server and in this individual case Office 365. SPF, DKIM, and DMARC are ways to authenticate your mail server and to prove to the world, and other receiving mail servers that senders are truly authorized to send email and when properly set […]
On March 2, 2021 Microsoft has released several security update for Microsoft Exchange Server to address the vulnerabilities that has beed exposed targeting on-premises version of Exchange server. Microsoft has categorised this as a critical vulnerabilities and recommended the update the Exchange Server as soon as possible. The Exchange versions affected are: NOTE: Exchange Online is not affected. also Microsoft Exchange Server 2010 […]
Last week I was facing the problem that a user of Exchange Server 2013 couldn’t search mail or contacts in Outlook. I had the same problem before, the reason is a damaged index! We have to repair the index file, therefore, the Exchange server can search through the contacts. That is not a big operation, and also no need to […]
