Exchange – 4.5.1. 4.4.0 Primary Target 4.2.1 unable to connect to alternative host
Nov17

Exchange – 4.5.1. 4.4.0 Primary Target 4.2.1 unable to connect to alternative host

KB ID 0000790  Problem My colleague Allen was doing an Exchange 2003 to 2010 migration today, and things were not going well, mail refused to flow from the Exchange 2003 server to the Exchange 2010 server (it flowed from 2010 to 2003 without error). During migrations that’s not unusual, and removing and recreating the routing groups usually fixes it, but he had done that. Mail was sat on the Exchange 2003 Server outbound queues on the...

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Cisco Router – CBAC and Zone Based Firewall Setup
Nov17

Cisco Router – CBAC and Zone Based Firewall Setup

KB ID 0000937  Problem IOS 11.2 gave us CBAC, and IOS 12.4(6)T gave us the Zone Based Firewall. You can still use either, (providing you are running the correct IOS, or in the case of version 15 and upwards, added the correct license, ‘securityK9’). For older IOS versions usually you want the advipservices version of the IOS). Solution Run the following command to see if you have the correct license installed....

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Cisco ASA – ‘Prove it’s Not The Firewall!’
Nov17

Cisco ASA – ‘Prove it’s Not The Firewall!’

KB ID 0001049  Problem Yeah, it’s funny because it’s true! The article title might not sound like the most professional approach, but when the ‘Well it’s not working now’ finger gets pointed at the ‘firewall guy/girl’, they need to ascertain two things; 1. Is the problem actually the firewall, if not then help the frustrated party track down the actual problem. 2. If your problem IS the...

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