Thread:Project:Support desk/Import 1.15 database to 1.19 install/reply

If you have used mysqldump and then imported the generated sql to the new database, you don't need to do a XMLDump. Note that it is XMLdump, not HTMLdump. See Manual:Backing_up_a_wiki.

After restoring the database, you need to Run the update script. If you still see a blank page/no pages at all it may be a caching problem.