since 92fc6a6c254703b771dec0b56b598c2684b4278a in 2016 "spoolss: architecture" is "Windows x64" by default. The man page still says Windows NT x86.
This bug was referenced in samba master:
Created attachment 16274 [details]
cherry-picked patch for all release branches
Karo, can you review+ the backport patch and add it to the release branches, please?