Exchange Server 2013 end of support is on April 11, 2023. Many organizations are working with Exchange 2013 and are not yet migrated to Exchange 2019 or Exchange Online with Office 365/Microsoft 365. If you are not yet migrated, now…
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…
How to schedule an Exchange Online PowerShell script for automation purposes? For example, you have an Exchange Online PowerShell script that needs to run daily against the Exchange Online tenant unattended without any interaction. In this article, you will learn…
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…
Security is essential, and most companies need to pay more attention to it. One is to avoid man-in-the-middle (MiTM) attacks and configure HSTS (HTTP Strict Transport Security) on Exchange Server. In this article, you will learn how to configure HSTS…
Microsoft Exchange Server depends on Internet Information Services (IIS). Sometimes you have to restart IIS, which you can do through IIS management or the console (Command Prompt or PowerShell). But what if you have more than multiple Exchange Servers running,…
A lot of bots attack the Exchange Server OWA and ECP page constantly. It's the (security) engineers task to secure and protect the Exchange Server OWA/ECP URLs from attacks. Measures such as Multi-Factor Authentication (MFA) or only making the OWA/ECP…
You must disable the account or change the user account password because a security breach occurred. The user has an Exchange mailbox linked to the account. Disabling the user in Active Directory and thinking that you are done now is…
Every user in Active Directory will have remote PowerShell enabled by default. For security reasons, it's strongly recommended to disable remote PowerShell access for non-admins and service accounts in the organization. In this article, you will learn how to disable…
Great Microsoft engineers maintain the Exchange Server Health Checker PowerShell script. The script is excellent because they listen to feedback and are fast at pushing changes. A new update to the script will now show the correct vulnerability information if…