Exchange 2007 / 2010 change the SMTP Banner
KB ID 0000327 Problem If you want to shield the outside world from seeing what mail platform you are running, or even if you just want to deter the casual script kiddy who is trying to remote fingerprint a massive range of IP addresses. Changing the SMTP response banner is quite simple to do. Out of the box we know we are running a Microsoft mail platform Solution 1. Open Exchange System Manager and find the name of your...
Update Global Address List Error “WARNING: The recipient “xxxxxMicrosoft Exchange System Objects/xxxxx” is invalid and couldn’t be updated
KB ID 0000516 Problem Seen when manually trying to update the Global Address List, with the following powershell command: Update-GlobalAddressList -identity ‘Default Global Address List’ Error: WARNING: The recipient “{your domain name}/Microsoft Exchange System Objects/{A Public Folder Name}” is invalid and couldn’t be updated. or Error: WARNING: The recipient “{your domain name}/Microsoft...
Mail Routing Issue ‘451 5.7.3 Cannot achieve Exchange Server authentication’
KB ID 0000791 Problem While putting in a New Exchange 2010 server today, I test moved a mailbox to this new site, and could not get mail to flow to the Exchange 2010 server at the clients main site. 451 4.4.0 Primary target IP address responded with: “451 5.7.3 Cannot achieve Exchange Server authentication.” Attempted failover to alternate host , but that did not succeed. Either there are no alternative hosts, or delivery...
Setup and Configure HP Wireless E-MSM720 Wireless Controller with HP E-MSM430 Access Points
KB ID 0000692 Problem We got some ‘demo stock’ in the office this week, I don’t do a lot of wireless, so I thought I would get it setup and have a look to see how easy/difficult it was. Hardware used HP E-MSM720 Premium Mobility Controller (J9694A) HP E-MSM 430 Wireless N Dual Radio Access Point (J9651A) HP HP 2915-8G-P-o-E Switch (J5692A) The switch and controller are ‘tiny’ so if you want to put them...