Applies to ONTAP 9 NFS (Kerberized) Issue Kerberized NFS clients are able to mount reliably, but may lose access after hours of activity, requiring a reboot or manual clearing of the NFS service-ticke...Applies to ONTAP 9 NFS (Kerberized) Issue Kerberized NFS clients are able to mount reliably, but may lose access after hours of activity, requiring a reboot or manual clearing of the NFS service-ticket and ticket-granting-ticket to resume access to the export. Specific errors observed could include the following: Error 13 / NFS4ERR_ACCESS RPCSEC_GSS session expired