We all do it. Make mistakes. Some of them are just little DOH! moments that lead to embarrassment. Others, however, lead to disgruntled or (worse) lost clients. Many of those mistakes can be avoided if you know what to watch out for. This post highlights 10 mistakes that one wouldn't want to make when on a job. Avoiding these mistakes will help you retain your dignity — and your clients.
1: Don’t blindly upgrade
2: Don’t edit configuration files without backing up first
3: Don’t forget to turn the firewall back on
4: Don’t forget to document
5: Don’t do anything without client permission
6: Don’t experiment on a client machine
7: Don’t learn on the job
8: Don’t use Add/Remove Program to uninstall antivirus
9: Don’t go in without knowing the situation
10: Don’t leave the site without making sure everything works
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