In an unanticipated request I have to move a WordPress installation running on a LAMP stack to an Azure instance running WIMP (Windows, IIS, MySQL PHP). In the Azure settings, MySQL is running as a cloud-based database service. BackupBuddy has been a reliable tool for single site migration and its beta has support for multi-site migration which is sufficiently reliable. But moving from Linux to Windows is another story. The alternative is the free Duplicator - which I only come to know of having contacting WPML.org technical support for another reason. The key steps: 1) Change permalink back to default 2) Deactivate / Delete any unused plug-ins 3) Backup using Duplicator 4) Download the installer.php and the .zip archive 5) Upload installer.php and the unzipped files to Windows server This pre-unzip is necessary so that the php script does not have to tackle the unzip which resulted in a timeout in our scenario. And I have no access to Windows RDS to change the php.ini co...