MICROSOFT EXCHANGE – EMAIL SERVERS
🔍 Issue Summary When using Outlook on the Web (OWA) with Office Online Server (OOS) integrated, users might face the following error while trying to send an email with a …
🧩 Issue Overview After successfully setting up Office Online Server (OOS) and trying to edit a PowerPoint (or Word/Excel) file in the browser, you may encounter this message: “Sorry, you …
Introduction: Why Office Online Server is Needed? In modern Exchange environments, offering seamless file previews within Outlook on the Web (OWA) greatly enhances user experience. While PDF and TXT files …
Published on: July 14, 2025Author: MAHARJAN | Maharjan-Tech In today’s environment of rising phishing and email-based attacks, organizations must take every step to warn users and protect sensitive data. One …
🔄 Introduction As Microsoft moves toward a modern servicing model, Exchange Server Subscription Edition (SE) is the next evolution in on-premises email infrastructure. Built on the foundation of Exchange Server …
After successfully installing Exchange Server 2019 in my environment, the next important step was activating it with a valid product key. Without activation, the server runs in a trial mode …
As part of my ongoing efforts to secure my Exchange Server, I decided to restrict access to the Exchange Control Panel (ECP) to only a few trusted IP addresses. This …
When users log into Outlook on the web (OWA) for the first time, they’re greeted with a page asking them to choose their language and time zone. While this is …
In my Exchange Server environment, I needed to add a security disclaimer to the Outlook Web App (OWA) logon screen. Exchange doesn’t provide a PowerShell parameter to set this text, …
In my previous blog, I explained how to customize the Exchange OWA login page — changing the favicon, title bar text, sidebar color, and default images like owa_text_blue.png and olk_logo_white.png. …
