If you have recently hit a brick wall when installing Magento 1.2.1 on a shared hosting service with the error: Database server does not support InnoDB storage engine then you’re not alone. I came across this today while helping with a Magento install (one of my 5 Free Professional Magento installs). There is not a lot you can do, short of installing an old Magento version and not upgrading in the future, which is not a really good solution at all.
My recommendation was to either:
A) Request that your hosting provider enables InnoDB, which may or may not be possible. I notice shared hosting providers find all sorts of excuses for not supporting InnoDB, there looks to be plenty of reasons to have InnoDB enabled to me. This is really easily done by simply not having the skip-innodb line your mysql server configuration. Sadly though if it is in there, they probably opted to put it in there, and may not be willing to take it out.
or B) Move to a hosting provider that does support the new 1.2.x Magento and modern Mysql storage engines properly. That’s not always as easily done as it’s said though unfortunately. Continue reading Magento Installation: Database server does not support InnoDB storage engine