The Constraints of IT Technical Support

Here are some types of constraints;

Social / Culture
Take time off to prayer.

Legal
The Data Protection Act 1998
The Computer Misuse Act 1990
The Obscene Publications Act 1964
The Defamation Act 1996
The Telecommunications Act 1984
The Freedom of Information Act 2000

Financial
Technological
Time
Employee Skills

Downtime and disruption

To avoid downtime

You can avoid downtime by using an older version of the server software that you are using.

Make sure your team speak the apropriate language.

Make sure you have a backup server.

To keep your server running you should have 3 or more servers, 1 ,live server, 1 backup server, and 1 prototype.

Resource allocation

Have 1 software file and 1 hardware file.

Upgrading Hardware

Laptop  every 1 year

Desktop PC every 3 years

Operating system every 4 - 5 years