Exchange / Outlook – Security Alert – “The security certificate was issued by a company you have not chosen to trust”
KB ID 0000454 Problem Out of the box Exchange 2007 and 2010 comes with a “Self Signed” digital certificate. That’s OK for getting you up and running but your Outlook clients may start to see the error below. Error: Security Alert Information you exchange with this site cannot be viewed or changed by others. However, there is a problem with the sites security certificate. The security certificate was issued by a...
Migrate Exchange 2010 to Exchange 2016 (& 2013)
Part 3 Migrating Certificates and Decommissioning Exchange 2010 KB ID 0000816 Problem Continued from Migration From Exchange 2010 to Exchange 2016 Part 2 Solution Exchange 2013/2016 Migration Step 8 Migrating Certificates from 2010 to 2016 Only consider doing this if you have a purchased (i.e. NOT using a self signed) certificate on your Exchange 2010 server. Bear in mind if you have the internal FQDN of your Exchange 2010 server as a...
Replace an ASA 5505 with an ASA 5506-X
KB ID 0001091 Problem Given the amount of ASA work I do it’s surprising that the first time I saw an ASA 5506-X was last week (I’ve been working on larger firewalls for a while). I’m probably going to have to do a few of these over the next couple of years so I’ll update this article as things surface. Solution Q: Can I just copy the config from an ASA 5505 to an ASA 5506-X? A: No, that would be nice, truth be...