Applies to ONTAP 9 with External key manager (EKM) and NetApp Storage Encryption (NSE) Issue Attempting to add disks to an existing NSE cluster NSECluster::> encryption disk modify -disk 0.10.0 -data-...Applies to ONTAP 9 with External key manager (EKM) and NetApp Storage Encryption (NSE) Issue Attempting to add disks to an existing NSE cluster NSECluster::> encryption disk modify -disk 0.10.0 -data-key-id 0000000000000000020000000000012345AB1C2D123E1F1234GH1IJ123LMN Results in this error Time Node Severity Event 9/27/2021 12:56:20 NSECluster-01 ERROR disk.encryptCmdFailed: Encrypting disk 0a.10.0 failed disk encrypt modify command with error status Authentication key not found. (0xe).