Exchange 2019
A Comparison of Email Security Solutions: ESET, Symantec, CrowdStrike, and SentinelOne
Email security is a critical aspect of modern business operations, protecting organizations from a wide range of threats such as malware, phishing attacks, and data breaches. With the ever-increasing sophistication of cyber threats, it is crucial for businesses to...
Migrating from Exchange 2013 to Exchange 2019: A Step-by-Step Guide
IntroductionStep 1: Preparing for the MigrationStep 2: Installing Exchange 2019Step 3: Configuring Virtual DirectoriesStep 4: Exporting and Importing SSL CertificateStep 5: Assigning Services to SSL CertificateStep 6: Licensing Exchange 2019Step 7: Creating a Database...
Quickly reset a users password in the Exchange Admin Center
In my previous blog post, we had to run the three (3x) commands to fix the RBAC Roles that was giving an error and this was to add the Reset Password option in the Exchange Admin Center (EAC). Once resolved it was now showing in the Organization Management Role Group...
Quickly Search and Remove Email from a mailbox in Exchange 2019.
In any organization, there comes a time where you have to delete email from an individual mailbox or multiple mailboxes because emails were sent out in error or an end user clicked a malware or phishing link and they started mass mailing accounts or the CEO received...
Quickly fix Exchange 2019 error when adding the Reset-Password option in the EAC.
In my lab I was busy testing out the Reset Password feature which requires that you modify the Organization Management Role and add the role because it is not enabled by default. However, this was not a straight forward task. The Exchange Admin Center (EAC) presented...
Quickly fix Exchange 2019 error: You aren’t authorized to perform the search
When you run Message Tracking in Exchange Server 2019, if you are part of the "Organization Management" Role Group, you should technically be able to perform searches. I was busy testing a script in my lab and could not perform a search on my own mailbox, this was the...
Exchange 2019:- CVE-2023-23397 Exploit (Affecting the Outlook Thick Client)
In my Exchange 2019 lab, I tested out this exploit and it works which is scary. The POC listed Outlook 2013 and 2016 but it also worked for me on Outlook 2019. If you want to read about this POC, head over to GitHub here:...
Solve Exchange 2019 SMTP error by quickly updating your DNS.
In one of my lab servers, I was busy working on a project and email would just not send. I kept on getting the error below from the consoles output: Error with SMTP server... (451, b'4.7.0 Temporary server error. Please try again later. PRX2') This error is generic...
Secure Exchange 2019 OWA with a Google Captcha option.
In one of my recent blog posts, we covered brute forcing of the OWA page in Exchange 2019, this also applies to Exchange 2016 and Exchange 2013. If an attacker successfully gains access, they might access an account that has elevated privileges or given enough time,...
Exchange 2019:- Get the Version with Product Name in PowerShell
If you are an Exchange Admin, you may have inherited Exchange Servers and are not sure what version you are running or you are simply managing Exchange but need to check Control Panel for installed updates to see what version you are on. If you have a few hundred or...