As many other software vendors, Parallels Development team is working on the required tweaks to make sure you can run your virtual machines on macOS Sierra, as well as install macOS Sierra in a virtual machine.
While the work is in progress, here is the list of known issues with the workaround that we have tested in our lab.
|Space key does not work in Parallels Desktop virtual machines||Update Parallels Desktop up to version 11.2.1 (32626)|
|Parallels Access agent cannot be installed||Update Parallels Access Mac Agent up to version 3.1.3 (31296)|
|Cannot install macOS Sierra to Parallels virtual machine||-|
Before installing or upgrading to macOS Sierra, please check what Parallels Desktop versions are compatible with it: