Make sure the v4 version is set when only a minor version is set in /etc/nfs.conf Set v4 version if only minor version are specified When vers4 in /etc/nfs.conf is set to 'n', all minor version are disabled as well. But when vers4 is set 'y' all minor version are settable. Meaning vers4=n vers4.2=y does not work. rpc.nfsd complains there are no version set. vers4=y vers4=y does work. Now the rpc.nfsd(8) man page does say vers4 Enable or disable a major NFS version. It could be changed to vers4 Enable or disable all major NFS versions. Or the two line patch attached could be applied. Steve Dickson (1): nfsd: Set v4 version when only a minor version is set utils/nfsd/nfsd.c | 3 +++ 1 file changed, 3 insertions(+) -- 2.37.3