Applies to ONTAP 9 Onboard Key Management (OKM) Issue Attempts to encrypt a SVM root volume fail with error: Error: command failed: Failed to start conversion on volume "svm1_root" in Vserver "svm1". ...Applies to ONTAP 9 Onboard Key Management (OKM) Issue Attempts to encrypt a SVM root volume fail with error: Error: command failed: Failed to start conversion on volume "svm1_root" in Vserver "svm1". Reason: Operation is not supported on a Vserver root volume.