POP, IMAP and SMTP settings for Office 365

By default, Office 365 client such as Outlook uses Exchange Autodiscover to connect to the Office 365 email account. However, in some cases you need to connect to Office...
Active Directory

How the Computers Locate a Domain Controller on the Network

This article will describe how the domain computer member locate a domain controller. Basically, the first step requires a Domain Name System (DNS) server, which contains records for each...

Active Directory Port List

If you enable the Windows Firewall or if there is an external Firewall for your Active Directory Domain Services (ADDS) in this case Domain Controller Server, you need to...

How to resolve “The trust relationship between this workstation and the primary domain failed”

Sometimes, you receive the alert "The trust relationship between this workstation and primary domain failed" when you login to the computer that joined to the domain. There are many ways to...

Dell OpenManage Server Administrator E-mail Alerts

OpenManage Server Administrator (OMSA) is a software agent that provides a comprehensive, one-to-one systems management solution in two ways: from an integrated, Web browser-based graphical user interface (GUI) and...

How to Redirect 404 Error Page to another URL in IIS Server

The HTTP 404, 404 Not Found, and 404 error message is a Hypertext Transfer Protocol (HTTP) standard response code, in computer network communications, to indicate that the client was...

Most Popular

Microsoft Whiteboard is now available for Windows

Finally, on July 12, 2018, Microsoft has announced the general availability of the Microsoft Whiteboard app for Windows 10, coming soon to iOS, and...
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SQL Server Reporting Services installation failure “The Reporting Service catalog database file exists.”

Recently, I got the error below when re-installing Microsoft SQL Server 2016 Reporting Services on my server: The...
Sql server 2017

Microsoft SQL Server 2017 on Linux: Download Free Guide

As you know Microsoft SQL Server 2017 is now coming to Linux system. On this Guide, Microsoft explains How to installing Microsoft...

Install Windows Admin Center (Honolulu) on Windows 10 Step by step

As you may know, Microsoft has launched a browser-based management toolset that lets you manage your Windows Servers with no Azure or...
Exchange Server 2019 Image

Recipient not found by Exchange Legacy encapsulated email address lookup

When you send an email to a recipient, you get IMCEAEX NDR that said "Remote Server returned '550 5.1.11 RESOLVER.ADR.ExRecipNotFound; Recipient not...