Exchange 2016
Quickly Resolve error in Exchange 2016: Event ID 2026 FrontEndTransport
As an Exchange Admin, you have come across many scenarios when your Exchange 2016 server stops sending email. This can be due to low disk space, back pressure, anti-spam agents, etc. but how do you resolve an issue when none of the above apply. Recently a customer...
Exchange 2016 March 2024 Security Update fails with Stop-SetupService command not recognized
We know that applying the latest Exchange 2016 or Exchange 2019 Security updates are important to close vulnerabilities identified however, what happens when these updates auto install and then fail with a standard error message saying the update failed to install and...
Migrating Mailboxes from Exchange 2016 to Exchange Online with MigrationWiz
Are you planning to migrate your mailboxes from Exchange 2016 to Exchange Online? Look no further than MigrationWiz, a powerful and efficient solution that simplifies the migration process. In this blog post, we will guide you through the steps to migrate your...
How to Enable Cached Mode in Outlook and the Pros and Cons of Running Cached Mode
Outlook is a popular email client that offers various features and settings to enhance productivity and efficiency. One of these settings is Cached Mode, which allows users to access their mailbox data offline. In this article, we will guide you through the process of...
Exchange Server Vulnerabilities and the Importance of Patching and Testing
Introduction Over the past year, several vulnerabilities have been discovered in Exchange Server, the popular email and collaboration platform developed by Microsoft. These vulnerabilities have highlighted the critical importance of keeping systems patched and...
Updating Autodiscover DNS Records When Moving Providers
When moving providers, it is crucial to update your Autodiscover DNS records both internally and externally to avoid any account setup failures. Autodiscover is a feature in Microsoft Exchange that automatically configures email clients, such as Outlook, to connect to...
How to Check and Block IP Addresses Causing Account Login Failures in Exchange 2013, 2016, and 2019 Application Logs
Exchange servers play a crucial role in facilitating email communication within organizations. However, it is important to monitor and secure these servers to prevent unauthorized access and potential security breaches. One way to enhance security is by regularly...
Protecting Your Barracuda Email Appliance from Vulnerabilities
In today's digital landscape, ensuring the security of your email infrastructure is of utmost importance. One crucial step in safeguarding your Barracuda Email Appliance is to keep it up-to-date and protected from potential attacks. This can be achieved by regularly...
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,...
