Category: Solving Exchange Server Errors

Updated On - December 02, 2022

Methods to Fix Microsoft Exchange Server Error 4999

Exchange 4999 is a common error that appears in different versions of Exchange Server for various reasons. It can lead to serious email communication issues if not fixed in time. So, we will discuss more about Exchange Server error 4999. Exchange Server error 4999 Exchange Server Error 4999 is noticed mainly in Exchange 2013 and…

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Updated On - December 02, 2022

DuplicateKeyException Critical Error in Exchange Server 2013

Exchange Server supports the creation of multiple databases and can host a large number of mailboxes. The size of mailboxes is usually in multiple GBs, and the user can meet all his communication requirements with it. The activities of mailboxes are recorded in the event log of the database. Sometimes, the Exchange database does not…

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Updated On - December 02, 2022

Microsoft fixes a new Exchange Server Vulnerability that put User Mailboxes in Danger

After discovering various sensitive faultiness in Exchange Server, some information has arrived about a new security vulnerability. This issue is termed as ‘ProxyToken‘ with two identifiers – CVE-2021-33766 and ZDI-CAN-13477. By exploiting this vulnerability, an external attacker or hacker can change the configuration of Exchange mailboxes. It can be used to copy the email address…

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Updated On - December 02, 2022

Ransomware attack on Exchange Server due to ProxyShell Vulnerabilities

LockFile ransomware attack on Exchange Server On April 21, 2021, Orange Tsai, a Principal Security Researcher, found three vulnerabilities in the Microsoft Exchange Server in the Pwn2Own 2021 hacking contest. These vulnerabilities allowed an unauthorized remote code execution in the Exchange Server. Microsoft has fixed these loopholes in May, but somehow a team of hackers…

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Updated On - December 02, 2022

How to Export Exchange Contacts to PST Using PowerShell Commands?

Exchange Server contacts are crucial to an organization as its other items contain addresses with which regular information exchange is established via emails. Do you know even these Exchange contacts need to be backed up? Let us throw light on it this requirement of Exchange users. Need to export Exchange contacts to PST The Exchange…

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Updated On - December 02, 2022

Exchange Database Availability Group – Overview

Get to know about an advanced Exchange Server feature – Database Availability Groups or DAG – for multiple server storage, replication, and failover mechanism. Introduction Database Availability Group or DAG is usually a set of 16 mailbox servers (of the same version) with databases hosted in them. It is the component of the Exchange Server’s…

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