There are a lot of certificates, and the certificate name is not that friendly to understand for what it's used for. It's much easier to have a certificate with a friendly name that identifies its purpose by only looking at…
The Exchange mailbox database keeps dismounting, and when we like to mount the database, it's unable to mount. After repairing the Exchange database and mounting, we did look at the event logs for errors. That's because we like to prevent…
Microsoft released several Security Updates (SUs) for Microsoft Exchange Server to address vulnerabilities. Due to the critical nature of these vulnerabilities, we recommend that customers apply the updates to affected systems immediately to protect the environment. Note: These vulnerabilities affect…
The Microsoft Exchange certificate is installed when you install an Exchange Server, and it's 5 years active. Most of the time, you don't look into that certificate because, within 5 years, you will have a new Exchange Server and decommission…
Nobody likes to see the Exchange Server sending spam. If you have never seen this situation, you are lucky. Hopefully, you will never have to see this, as this can bring a lot of stress and damage to the organization.…
To prevent misuse of UNC paths by attackers, Microsoft removed the parameters that take UNC paths as inputs from the Exchange Server PowerShell cmdlets and the Exchange Admin Center. These changes will affect all cumulative update (CU) releases of Microsoft…
When you migrate mailboxes to Exchange Online - Microsoft 365, you might want to add a new Exchange Server that will act as the Exchange Hybrid server. If you only migrate and remove the server or keep it only for…
How to prevent spam messages? There are guidelines that you have to configure, so the domain is protected against spam, phishing attacks, and viruses. In this article, you will learn how to protect your domain from spam, phishing, and viruses.…
Did you want to upgrade Windows Server to Windows Server 2022, and you couldn't because of Exchange Server support? Well, now you can! With the release of Exchange Server 2019 CU12, Microsoft announced support for running Exchange Server 2019 with…
Microsoft released Cumulative Update 12 for Exchange Server 2019 (KB5011156) on April 20, 2022. Also known as Exchange Server 2019 CU12. This Cumulative Update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These…