Postfix – Change The ‘Welcome Banner’
KB ID 0000907 Problem After my recent DNS troubles, I was checking my mail server’s (MX) records, and got a warning about not having any reverse lookup records (PTR) configured properly. I telnetted to the mail server on port 25, and saw it was responding with the servers host-name. I know my records are correct for the FQDN of the server, I just needed to change its welcome banner. Solution Change the Postfix Welcome Banner by...
Remote Desktop Services – RemoteApp Error ‘The remote computer could not be found. Please contact your helpdesk about this error’
KB ID 0000768 Problem While attempting to launch a web app from a Windows Server 2012 Remote Desktop Services (Terminal) server. Clients were greeted with the following; RemoteApp Disconnected The remote computer could not be found. Please contact your helpdesk about this error. Solution 1. On the Server, Start > RD Gateway Manager > Locate your server > right click > properties > Server farm > Type in the FQDN of...
Windows Mail can’t connect to Exchange
KB ID 0000662 Problem Seen when trying to connect the Windows 8 mail client to Exchange 2010 (that is using a self signed certificate). Error Unable to connect. Ensure that the information you’ve entered is correct. Solution This is a right pain! My Exchange 2010 server is using a self signed certificate, and even though the Windows 8 client trusts my domain CA, and it has imported the cert that Exchange is using, it still would...
Install SCCM 2007 on Windows Server 2008 R2 – Step by Step
KB ID 0000297 Problem I had to work out how to do this for a client, and as is my modus operandi, I’ll try and save you some of the pain I endured, Products Used System Center Configuration Manager 2007 SP2 Windows Server 2008 R2 SQL 2008 R2 (At time of writing neither officially supported or not supported on SCCM) Note: I was originally going to use SQL 2005 – hence the reason the SQL servers name is SCCM-SQL2005, however...
Exchange – Error ‘A matching connector cannot be found to route the external recipient’
KB ID 0000723 Problem You will see this error in one of two scenarios, firstly it’s a new Exchange Installation and you have yet to create a send connector, or your send connector(s) do not cover the DNS name of the recipient the message giving you the error was destined for. Identity: DC2012Unreachable412316860424 Subject: inter domain Internet Message ID: <afea4f1a2aa14c2788d872070ae6a5dd@DC2012.PNL.com> From...