502 Bad Gateway error when signing in

Hi geoff2536, 

Based on your post, it seems you have already tried basic troubleshooting. There are multiple possible reasons for the error message you mentioned. I recommend checking the list of fixes to see what will rectify it.

You can post again if you need any more help.

Thanks,
Genreve

Try deleting your internet bookmark and signing in directly from the myob website and re-adding a new bookmark. Worked for our firm issues when trying to login to myob practice.