Group Won’t Accept Mail From ‘Outside’
KB ID 0001771 Problem Exchange has been this way for a long time here’s me explaining this very problem with older versions of Exchange. If you create a ‘Group’, be that a Distribution Group, or a ‘Microsoft 365′ Group, the default setting is to NOT ALLOW mail from anyone outside your organisation. If you attempt to send mail to that group you will see errors like these; Errors; 550 5.7.133...
Exchange 2000 / 2003 – Exporting Mail to .pst files with ExMerge
KB ID 0000091 Problem ExMerge has been around for a long time, its used (as the name implies) to merge pst files into existing mailbox’s. However its also a great tool to export/backup users mail box’s if you’re doing a migration, or if you have got your “Disaster Recovery” hat on. The following is a run through of how to export from a mail store to pst files – Note on a live system this can take...
Adding Duo 2FA to Microsoft ADFS
KB ID 0001656 Problem I did a Duo run through a few weeks ago, and to be honest their documentation is usually pretty good. I was spinning this up as a PoC for a client so I thought I’d put my take on the procedure here. ADFS Duo Pre-Requisites I already have a Duo Authentication Proxy server setup and my users are enrolled, you will need to set this up first. See the following article; Duo: ADSync and Enroll Users via SMS Log...
Unable to Connect to the Synchronisation Service
KB ID 0001649 Problem I’m doing some work for a client that has Azure AD Sync running, and we keep kicking each other off the server, so I thought I’d login with another account. However, when I tried to open the Synchronisation Service Manager; Unable to connect to the Synchronisation Service Some possible reasons are: 1) The service is not started. 2) Your account is not a member of the requires security group. See the...
Cisco FirePOWER Management Center Appliance – Allowing Domain Authentication
KB ID 0001117 Problem Once deployed, authentication is handled by the appliances own internal user database, in larger organisations this is a little impractical. So the ability to create an Active Directory Group, and delegate access to Firesight to members of that group is a little more versatile. Solution I’m making the assumption that the appliance does not already have external authentication setup at all, so I’ll...