Below are new knowledge base articles published on the week of July 26-August 1, 2026.
Support Portal login required:
- KB-19559 - NCC Health Check: security_profile_check
- KB-19713 - FAQ: What is the purpose of SmartOps Share introduced in Nutanix Files 5.1
- KB-20086 - Reverse Cluster Conversion from AHV to ESXi Fails with Inaccessible VMs
- KB-20732 - NCC Health Check: check_external_ssh_access_state
- KB-20955 - NCC Health Check: health_checks system_checks license_activation_checks
- KB-21075 - Cluster Creation or Expansion Fails When Mixing Storage Tiers
- KB-21632 - Pre-Upgrade Check: Prism Central Fault Tolerance Check Failed
- KB-21678 - NDB - Manual Cleanup of VG-Based WAL Archive When "Delete old VG archive" Step Fails During Migrate Archive Operation
- KB-21706 - NDB | How to Configure Robocopy Settings for NDB Storage Spaces Restores
- KB-21779 - NDB | Remove Cluster Node Operation Times Out When DB Server NDB Agent is Unreachable
- KB-21780 - NDB | Add Cluster Node operation fails with timeout or snapshot expiration errors
- KB-21799 - NDB | Handling the "/opt/era_base/tempdir path has exceeded 90% storage capacity" alert
- KB-21833 - NDB Failed Add Node Retry
- KB-21835 - NDB | Troubleshooting WAL Replication Failures in NDB PostgreSQL Disaster Recovery
- KB-21841 - NDB | Recovering from "Update Pgbackrest Config operation failed" alert after Object Store key rotation
- KB-21872 - NDB | MongoDB: Add-Shard Operation Fails Due to Unmanage/Manage Errors in Ops Manager
- KB-21889 - NDB PostgreSQL: Recovery Steps for Failed DR Storage Scaling
- KB-21935 - Nutanix Files - Deleted File Server Still Appears Under Assets in Pulse
- KB-21947 - Prism UI Displays NVMe Drives in Both Skeuomorphic and Non-Skeuomorphic Slots on HPE DX560 and Dell XC940 After Upgrading to AOS 7.6
- KB-21989 - NCC Run Checks Task Fails with Error NCC-40031 "No Email Configured"
- KB-22140 - Failure to Create Categories in Prism Central 7.6 with Granular-Scoped IAM Users
- KB-22141 - Prism Central UI Access Fails with "Invalid cookies present in the request" Error After Backup and Restore
- KB-22154 - Nutanix Move | Migration stuck at processing during cutover due to insufficient vCenter permissions
- KB-22169 - How to Address KubeletTooManyPods Alerts in Nutanix Kubernetes Platform (NKP)
- KB-22171 - Recovery Point Revert Fails Due to Nutanix Guest Tools Version Mismatch
- KB-22176 - Prism Central IP Reconfiguration Fails with "Failed to deploy cloudprovider: Operation timed out"
- KB-22179 - NDB | During upgrade to NDB-2.11 version, Temporary Read/Write Pause During Control Plane OS Update
- KB-22182 - How to Licensing Clusters for Accounts with Role-Based Access Control (RBAC) Enabled
- KB-22189 - Flow Security Policies with Max Rules Getting Deleted During the Policy Import.
- KB-22192 - Prism shows unexpectedly high "Snapshot Exclusive Usage" for a Protection Domain
- KB-22195 - Network Gateway: Filesystem Mounted as Read-Only Causing Script Failures and Service Inactivity
- KB-22223 - NC2 CCLM / PFO live migration fails with kCpuModelUnsupportedError across different CPU generations on the same AWS metal type
- KB-22238 - NDB Agent VM hostname is renamed to the database server VM name during provisioning
- KB-22240 - NDB: Provisioning an Availability Group Database Fails With "Failed to get SQL server port number"
- KB-22242 - NDB: MySQL Server Startup Delays or Timeouts with Standby KMS Servers
- KB-22243 - NDB | MySQL software profile is not TDE capable
- KB-22248 - How to Expand a Cisco Avatar PE Cluster Using the Foundation Central v4.4 API
- KB-22254 - Prism Central Web Console Inaccessible and API 500 Errors After Prism Central Scale-Out
- KB-22260 - NDB | Database Clone Operation Fails in NDB When Sourced From Snapshot Taken Prior to Primary Node Removal
- KB-22269 - DR | VMs Fail to Protect Post Prism Central Backup and Restore Due to Kanon JWT "MalformedFraming" Error
- KB-22271 - RDMA Configuration failure on Mellanox NICs in certain DCBX-capable switches
- KB-22277 - Data Lens - DL SaaS Enablement Fails for File Server Due to CFS Process Not Running
- KB-22278 - VMD got disabled on Lenovo ThinkAgile HX during the UEFI update activation or subsequent cold reboot
- KB-22279 - Prism Central: Inode exhaustion on PCVM due to kubelet 0-byte termination log files
- KB-22280 - SMSP: Pods Fail to Start and MSP Cluster Becomes Unstable After a SMSP VM Restart
- KB-22285 - Nutanix Files - Image files are unexpectedly deleted when saving from Adobe Bridge to a Nutanix Files share
- KB-22296 - Incorrect Account Association and Missing Information After Joining the Support Portal via Invitation
- KB-22298 - NDB - MSSQL Snapshot and Log Catchup Fail After Updating the SQL Server sa Password
- KB-22302 - Recovery Plan Validation Fails with an Internal Error When a Cluster Name Contains Non-ASCII Characters
- KB-22308 - AHV Upgrade Fails on NC2 on AWS EC2 z1d.metal Instances with "Unable to run upgrade plugin reimage_success_check"
- KB-22311 - Flow Controller (Standalone Mode) and Prism Central 7.6
- KB-22312 - NX-LCM: LCM Intel NIC Firmware upgrade failed with Collect_data failed with error: [local variable 'fw_version' referenced before assignment]]
- KB-22313 - Firmware Updates on LCM-3.4 fail with "AttributeError: 'NoneType' object has no attribute 'value'"
- KB-22315 - HPE - LCM upgrade SPP from 2025.03.00.00.02 to 2025.09.00.00.01 times out
- KB-22319 - NDB | Clone from a snapshot or point-in-time (PiT) restore for a PostgreSQL high availability (HA) database fails if SSH key has been recently rotated.
- KB-22322 - NDB | Provisioning a New SQL AAG into an Existing DB Group Fails with "Backup nodes are not configured"
- KB-22332 - HPDX - SPP update via LCM fails with error "Failed to run Phoenix IPMI command: /usr/sbin/ipmitool chassis power cycle"
- KB-22340 - AOS 7.6 upgrade stalls due to genesis restart loop triggered by IndexError
- KB-22341 - VM storage migration fails with error 30102 due to passthrough disks after Veeam "Instant Recovery" was performed
- KB-22343 - LCM: NVMe Drive (Power Cycle) Firmware available upgrade is same as current running version
- KB-22346 - NDB | Re-registering Cloned Databases Fails with "Entity is already registered with NDB Server" Error
- KB-22349 - VM Creation Fails and IO Halts due to Stargate SPDK Memory Exhaustion in clusters with Everpure Storage as External Storage
- KB-22351 - Move | Windows VM Migration Fails With Error: No Image Found For AMI Name
- KB-22355 - Error: "This cluster cannot be licensed as it already has MSP subscription added to it" when applying a standard license
- KB-22357 - Manufacturer Part Numbers (MPNs) and Firmware Compatibility Guidelines for NX-G7 Platforms
Support Portal login not required:
- KB-19107 - Alert - A802011 - InValidVpcConfigForUnmanagedOverlaySubnet
- KB-19485 - Alert - A101087 - IncorrectStorageTierForDisk
- KB-19574 - Pre-Upgrade check - test_is_nos_upgrade_supported_for_network_function
- KB-20395 - Alert - A501001 - ConvertProtectionDomainRollbackFailure
- KB-20426 - Alert - A803011 - DNSServerNotReachable
- KB-20427 - Alert - A803012 - DNSFQDNNotAvailable
- KB-20519 - Alert - A130433 - StuckMigrationFromMST
- KB-20685 - Alert - A130434 - LegacyToAutonomousNearSyncUpgradeInProgress
- KB-20776 - Alert - A802014 - VpcConnectedSubnetRouteInstallationFailed
- KB-20777 - Alert - A802015 - VpcAdvertiseConnectedSubnetsInheritanceFailed
- KB-20890 - NDB | SQL Server: Data Distribution During Provision-from-Backup Workflow in NDB
- KB-20900 - Alert - A111120 - IAM User Lockout Warning
- KB-20991 - Alert - A150018 - HostNicAtsNotEnabled
- KB-21109 - Pre-Upgrade Check: test_prism_central_flow_currentgen_enablement_check
- KB-21165 - Alert - A130436 - ClusterMissingFromProjectResourceGroup
- KB-21233 - Pre-Upgrade Check: test_pd_migration_coordinator_tasks_not_running
- KB-21243 - How to Enable SAML Signed Requests for Authentication and Single Logout via V4 APIs
- KB-21322 - Alert A110465 - Multiple MSTs Connected to a Bucket Paired with an Older MST Version
- KB-21353 - How to enable/disable RDMA network failover
- KB-21363 - NCC Health Check: check_container_replica_placement_policy
- KB-21385 - Alert - A806108 - BgpGatewayExternalSubnetNotAdvertised
- KB-21479 - LCM Pre-upgrade check test_prism_central_vm_project_association_check
- KB-21480 - Alert: Projects 2.0 migrations have failed
- KB-21553 - NDB | SQL Server: Sysprep Workflow Selection During Windows DB Server VM Provisioning
- KB-21554 - NDB | Alert "The current PostgreSQL WAL archive configuration is no longer supported" is displayed for PostgreSQL HA databases
- KB-21783 - NDB | Cleaning Stale Diagnostic Bundles from the NDB Server VM to Recover Disk Space
- KB-21792 - NDB | Manually Collecting NDB Logs When In-Product Diagnostics Are Unavailable
- KB-21832 - NDB Upgrade failure due to checksum verification mismatch after manual update of upgrade components on API Server
- KB-21856 - NDK: PFO/UPFO triggered while application pods are in ContainerCreating state can lead to CN-RWX pods entering CrashLoopBackOff state
- KB-21857 - NDB: MySQL monitoring alert due to disabled auth_socket plugin
- KB-21866 - NDB | Invalidation of Point-in-Time Recovery (PITR) Window After InnoDBKey or MySQLReplicationKey Rotation
- KB-21890 - Nutanix Database Service (NDB): Entity Sharing and RBAC Requirements for PostgreSQL Disaster Recovery Operations
- KB-21940 - NCC Health Check: smtp_auth_expiration_check
- KB-22023 - NDB - SQL Server Availability Group Listener Creation Fails (Port 1433 Conflict / Stale AD Objects)
- KB-22064 - Nutanix Database Service (NDB): Dynamic Support Matrix and Compatibility Validation Behavior
- KB-22126 - Third party file restore operation tasks may not report progress
- KB-22145 - NCM : Self-Service and Intelligent Operations portals show the banner "NCM Self-Service and Intelligent Operations within Prism Central is being deprecated.
- KB-22184 - Data Lens On-Prem - Unable to add FSVM - Nutanix Data Lens enable failed due to Error: Failed to create partner server on fileserver.
- KB-22244 - Lenovo Node Experiences Automated PEF Shutdown Due to High Ambient Temperature
- KB-22252 - One node's elasticsearch partition remains unutilised on scale out PCVM
- KB-22287 - Inconsistencies between scheduled snapshot time and actual snapshot taken in Protection Domains
- KB-22300 - Nutanix Files - Quota policy fails to apply, returns "Failed to find quota for share".
- KB-22305 - NDB | Volume Groups as Default Storage for SQL Server Database Provisioning in NDB
- KB-22318 - Integrating Nutanix Move with Password Management Software for Automatic VM Preparation
- KB-22320 - NDB | Alerts due to insufficient memory on MySQL HA database during upgrade
- KB-22321 - NDB | Stale Clone VMs and Volume Groups Left in Prism After SQL Server Patching
- KB-22323 - NDB | DB Server Provisioning Fails When Using Non-English VM Names
- KB-22344 - Recovery Plan network mapping has a warning about duplicate subnets
- KB-22347 - Nutanix Objects Alert - kTooManyObjects (Too Many Objects per vNode)
- KB-22350 - NKP - Nutanix Kubernetes Platform (NKP) Support Scope for Custom and Third-Party Applications