The organisation I work for recently migrated their tenant from Singapore to Australian South East.
Since the migration when publishing around 50% of the time I must be hitting the old tenant urls, as I get Bad Request 400 errors. I can simply log out and log in again in top right of Power BI Desktop and it publishes straight away.
Initially I thought it must be something in the pbix file and make sure I save always after doing a relog in, hoping that would correct the issue, but I have noticed it still recurs around 50% of the time with any of the reports I wish to publish.
I have tried uninstalling Power Bi Desktop and reinstalling, wondering if there is any setting I can clear so that it no longer hits the old tenant when trying to publish and always uses the current one.