At my company, we have around 10,000+ employees for which we provide local (on-site) and global (remote) IT support via a decentralised, virtual, follow-the-sun help desk model. Currently we have three SLAs:
Initial Response Time - within 2 hours
Resolution Time - within 2 days
Customer Satisfaction - 95% or above
We are doing okay at the moment. Handling 8000 - 8500 tickets / support requests per month globally, with 96% of those requests meeting SLA - current initial response time averaging 2 hours, resolution time averaging 2.2 days and customer satisfaction at 97%.
We're a rather lean department, with about 50 IT support staff for 10,000+ employees (around 1:200).
This hasn't come easy though. Our performance used to be lower, but we've spent a lot of time over the past 1-2 years maturing our IT department - globalising and standardising, improving and implementing new internal IT systems, simplifying and upgrading our IT infrastructure (though we are very much in the cloud), refining our processes and procedures, better problem management and knowledge management / documentation, better leadership, training and motivation of IT staff.
I know it can be done because I have another machine I regularly remote into, but for some reason I couldn't RDP using either the machine name, domain+machine name, or IP address, all three of which work for the machine that does work.
I commonly find the root cause of Microsoft remote desktop connection issues to be in one or more of these areas:
- Remote Desktop is disabled (set to 'Don't allow remote connections to this computer') in System Properties, and/or the user has not been added to Remote Desktop Users group on the remote machine.
- Group Policy is enforced preventing remote desktop connection to the machine.
- Windows (or other 3rd party) Firewall blocking RDP traffic.
- DNS / Domain Name Server configuration issue (e.g. outdated or misconfigured DNS records). Local DNS settings may also be misconfigured.
What happens if you try and ping the IP address of the remote machine (from your machine), and what happens if you try and ping the host name of the remote machine?