Deploy, manage, and troubleshoot Microsoft Exchange Server for enterprise email, collaboration, and messaging solutions.
Home / Exchange / Import PST Files to a Shared Mailbox in Microsoft 365 Last Updated: July 2026 To import PST files to a shared mailbox in Microsoft 365, upload them to Azure storage with AzCopy, then run a Microsoft Purview Network Upload import job with a mapping CSV. This routes every PST into the […]
Fix “The Name Reference Is Invalid” in Active Directory After Exchange Decommission If you’ve recently decommissioned your last on‑premises Exchange server, you may run into the showInAddressBook name reference invalid error the moment you try to copy a user in Active Directory Users and Computers (ADUC). The error looks generic, but the cause is very
If you have ever sent an email and received a confusing automated reply filled with error codes, you have already experienced Exchange NDR messages. NDR stands for Non-Delivery Report, and these messages are Exchange Online’s way of telling you — or your IT admin — that something went wrong during email delivery. Understanding what these
In a Microsoft hybrid identity environment, keeping your on-premises Active Directory (AD) users in sync with Microsoft Entra ID (formerly Azure AD) is critical. But what happens when you already have cloud-only users and you need to link them to on-premises accounts — without deleting them and losing their data? That’s where Soft Match and
⏱️ Estimated Read Time 6–8 minutes A newly disclosed critical Microsoft Exchange Server vulnerability (CVE‑2026‑42897) is being actively exploited in the wild, prompting urgent action from IT administrators worldwide. This high‑severity flaw directly targets on‑premises Exchange environments, allowing attackers to execute malicious code through Outlook Web Access (OWA) sessions. With a CVSS score of 8.1,
Email Authentication Guide: SPF, DKIM, and DMARC Email authentication is a crucial aspect of cybersecurity that helps protect organizations from phishing, spoofing, and email fraud. Three key protocols—SPF, DKIM, and DMARC—work together to ensure email security and authenticity. This guide will provide a technical overview of these authentication methods and explain how to implement them
