Category Archives: Exchange Server 2013

Checking if a mailbox is valid using Exchange Management Shell

In some scenarios we need to check if a mailbox database is valid on Exchange Server, this kind of validation is useful when migrating/transitioning mailboxes. Solution In order to validate…

Using PowerShell to test SMTP

Using PowerShell to simplify the SMTP test in an Exchange Server or any other SMTP server.  Solution I’ve been using telnet for a while (since Exchange 5.5 to be honest)…

Quarantine messages in Exchange Online Protection (EOP) from the end-user perspective

In this Tutorial we are going to check the required steps for an end-user to check its quarantine messages in EOP.  In some customers, I see the Service Desk Team…

Creating basic ActiveSync reports

In this Tutorial we are going over the basics to generate basic ActiveSync reporting in Exchange Server 2010 and the same applies to newer versions of Exchange Server. Solution The…

Managing Office 2016 using Group Policies

Adding administrative templates to support your Office 2016 is critical for administrators that want to manage certain components from a central location. Solution The process is simple, the first step…

Drown attack and Exchange Server

In this Tutorial we are going to check if an Exchange Server is vulnerable to the Drown attack, the same procedure can be used on any server that runs IIS,…

How to display SMTP info on Outlook Web App

In the users’ options there is a place that provides information to the end-user how to connect using legacy protocols, such as SMTP, POP and IMAP. Solution If you are…

POP3 Server is not accepting connections

How to solve the issue where the POP3 services are running however the server is not accepting connections from external clients. In some cases, a telnet on 110 port starting…

Exporting PSTs based on Organization Unit

In some scenarios the administrator may want to export all mailboxes of a specific OU to PST. Using Exchange Server 2013/2016 this can be accomplished with a single PowerShell line….

IMAP inaccessible on Exchange Server 2013

If you are experiencing an issue where the IMAP clients are not able to connect on the Exchange Server 2013/2016 server, and when trying to telnet the 143/993 port the…