Meraki To Cisco ASA 5500 Site to Site VPN
KB ID 0001255 Problem This was surprisingly easier than I was expecting! Special thanks to Steve for letting me loose on his test network for the Meraki end of the tunnel. Here I’m using an MX 64 Security appliance, and a Cisco ASA 5510. Note: The Meraki device will need a static IP. Solution Configuring Meraki MX Device for VPN to a Cisco ASA From your Meraki dashboard > Security Appliance > Site To Site VPN. If you...
OWA 2016 – Change Login From Domain\Username to Username
KB ID 0001254 Problem Out of the box, if you want to log into Outlook Web App, you need to use the Domain\Username format, like so; Seeing as how Microsoft are making a big song and dance about using UPN’s to log into Office 365, I thought they might have changed from the NT4 way of doing things, but hey what do I know? As we all know users are stupid, Domain\Username is up there with string theory and quantum mechanics. So how...
Barracuda Email Security Gateway Setup and Deployment
KB ID 0001253 Problem This is the process for setting up both physical and virtual Barracuda Email Security Gateway Appliances, (formally Barracuda Spam Firewall). Note: This walk though sets out the basic functions to get your appliance working and inspecting email, it’s not an exhaustive list of all the features of the appliance. Solution Before you start, I’m making the assumption if you have a physical appliance,...
Outlook Web App :-( Something Went Wrong
KB ID 0001252 Problem I tried to get access to OWA on my Exchange 2016 server, and was greeted with this; 🙁 Something Went Wrong We’re having trouble getting to your mailbox right now.Please refresh the page or try again later Solution I’ve pointed it out on the image above, but it’s easy to miss, look at the time stamp on the error, and compare it to the correct time. The two are not the same. This is a known...
Exchange – Event ID 205 and Event ID 16025
KB ID 0001251 Problem At a client this week, they were having a LOT of mail flow problems. Looking at the queue viewer, I could see that all their mail was sat in queues waiting to go into their mails stores. There was a queue for each mail store, and the error on each was “451 4.4.0 DNS query failed Exchange Server error in message queue”. Looking in the Application log it was full of Event ID 205, and 16025 Errors...
Install and Configure Certificate Enrolment Policy Web Service
KB ID 0001250 Problem A client had moved a domain joined server into their DMZ, and while they had opened the correct ports for Domain Authentication on their firewall, no one had considered the certificates on the server which had expired, and could not be renewed. Some research, pointed me towards Certificate Enrolment Web Service. Its job is to let clients enrol and renew certificates, from either non domain joined machines, or...
URI Was Validated Successfully But there Was No Friendly Name Returned
KB ID 0001249 Problem When attempting to connect a host to a Certificate Enrolment Policy Server it worked but had the following complaint; WARNING: The URI “https://{Host-Name}ADPolicyPRovice_CEP_{Method}/service.svc/CEP” was validated sucessfully but there was no friendly name returned by the remote machine. Solution On your certificate enrolment policy server, open the Internet Information Servers (IIS) Management...
Certificate Enrolment – URI This ID conflicts with an Existing ID
KB ID 0001248 Problem When attempting to connect a host to a Certificate Enrolment Policy Server I got this error; The URI Entered above had ID : “{Random-GUID}”. This ID conflict with an existing ID Solution On your certificate enrolment policy server, open the Internet Information Servers (IIS) Management console. Expand {Server-Name} > Sites > Default Web Site > ADPolicyProvider_CEP_Kerberos, (yours may not end...
MAC TFTP Software (OS X )
Mac TFTP KB ID 0001247 Problem Every time I go to a networking event theres a sea of MacBooks in the audience, If techs like MacBooks so much why is there such a lack of decent Mac TFTP software? Solution The thing is, I’m looking at the problem with my ‘Windows User’ head on. When I have a task to perform I’m geared towards looking for a program do do that for me. OS X is Linux (There I said it!) Linux in a...
Cisco IOS ‘Crypto’ Unrecognized Command?
KB ID 0001246 Problem I was working on a Cisco 3750-G last week, and I was in the process of setting up SSH access. When I went to generate the crypto key and enable SSH, It fired an error at me. In fact it wouldn’t execute any crypto commands; Core-SW(config)#crypto ? % Unrecognized command Now I have seen this before, (but not for a while). You need to be running a K9 version of the code. A quick ‘show version’...