NAS-Issues
NAS-Issues
Featured
Support for BlueXP Backup and Recovery
Learn how MetroCluster works, why it’s important to back up your data, and how BlueXP backup and recovery can help.
Learn how MetroCluster works, why it’s important to back up your data, and how BlueXP backup and recovery can help.
Recommended component releases
List of recommended component releases per your ONTAP OS version.
List of recommended component releases per your ONTAP OS version.
Benefits of managing ATTO bridges in-band
Items to consider on the benefits of using ATTO bridges in-band.
Items to consider on the benefits of using ATTO bridges in-band.
How to use the RcfFileGenerator for MetroCluster IP
A detailed guide on how to use the RcfFileGenerator for MetroCluster IP.
A detailed guide on how to use the RcfFileGenerator for MetroCluster IP.
Useful commands for MetroCluster FC and IP switches
The most commonly used commands for configuring, managing and troubleshooting MetroCluster switches.
The most commonly used commands for configuring, managing and troubleshooting MetroCluster switches.
Upgrade switch RCF's without wiping the switch"
Documentation guide to upgrade an RCF file on a Cisco IP switch.
Documentation guide to upgrade an RCF file on a Cisco IP switch.
Other Resources
- CONTAP-627619: Remove CIFS reference from Qtree export-policy warning when CIFS export policies are disabledWed, 04 Feb 2026
- CONTAP-613017: ONTAP NFS‑o‑RDMA panic triggered by malformed packet handlingWed, 04 Feb 2026
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xxThu, 29 Jan 2026
- CONTAP-618659: Apply failed for Object: ldap_client_schema_byuuid Method: baseline. Reason: duplicate entryTue, 27 Jan 2026
- CONTAP-603281: FlexCache CIFS access may fail or experience slowness due to Remote Access Layer (RAL) cache thrashingTue, 20 Jan 2026
- CONTAP-615396: RFE: Domain User connecting via MMC should not be able to enumerate local users and groupsFri, 16 Jan 2026
- CONTAP-610350: The domain name in privileged user name "DOMAIN.A\user" cannot be a FQDNThu, 08 Jan 2026
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWNThu, 25 Dec 2025
- CONTAP-586796: Flexcache cache locks are not getting freedFri, 19 Dec 2025
- CONTAP-491023: Allow for READDIRs against an Origin directory that is being updated via FlexCache write-back mechanismWed, 17 Dec 2025
- CONTAP-440125: Unexpected Node reboot with message thread (NwkThd_XX) on cpu <X> hung for 4001 millisecondsTue, 16 Dec 2025
- CONTAP-578764: Page fault during Nfsv3 ReadDirPlus responseMon, 15 Dec 2025
- CONTAP-600179: DR CONFIG REPLICATION FAILED: Apply failed for Object: vscan_status Method: baseline. Reason: Failed to queue Vscan job. Reason: "Job running"Mon, 15 Dec 2025
- CONTAP-356183: pNFS should have a mechanism for selecting available interfacesThu, 11 Dec 2025
- CONTAP-594735: RFE: Windows Server 2025 Witness Client failing to register Witness Server for notification Name with SMB for SQL ClusterTue, 09 Dec 2025
- CONTAP-591228: RFE: Adjust Maximum LDAP bind levelMon, 01 Dec 2025
- CONTAP-353232: Node Panic on NFSv4 Lock Owner: Assertion Failure in Nfs4LockOwner.cppWed, 26 Nov 2025
- CONTAP-579581: RFE: Include the object version ID in S3 audit logSun, 23 Nov 2025
- CONTAP-461971: Incorrect persistentstore file format found in PS volumeThu, 20 Nov 2025
- CONTAP-586226: File can't be deleted due to DoC with Flexcache even with fix for CONTAP-93360Thu, 20 Nov 2025
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xxMon, 09 Feb 2026
- CONTAP-120160: NFS v4.2-xattrs field getting flipped after upgradesSat, 07 Feb 2026
- CONTAP-71492: File open request from SMB clients can sometimes cause problemSat, 07 Feb 2026
- CONTAP-86349: SMB access failures with out-of-sync machine account password errorsSat, 07 Feb 2026
- CONTAP-89506: NLM Blocking Lock May Lead to Controller DisruptionSat, 07 Feb 2026
- CONTAP-111846: secd.ldap.noServers:EMERGENCY due to trusted DC discovery after ONTAP upgradeSat, 07 Feb 2026
- CONTAP-113750: REST Support for WorkGroup Mode in CIFS serverSat, 07 Feb 2026
- CONTAP-69819: Controller panic during enumeration of cifs sessionsSat, 07 Feb 2026
- CONTAP-103482: cifs domain password schedule job is not running after SVM migrate.Sat, 07 Feb 2026
- CONTAP-109248: Controller not serving file operations due to extensive export policy configuration changesSat, 07 Feb 2026
- CONTAP-120558: Time to Live (TTL) of CNAME DNS record cached in ONTAP can be invalidSat, 07 Feb 2026
- CONTAP-124560: Mount to ONTAP via NFS over RDMA may fail with "Connection refused"Sat, 07 Feb 2026
- CONTAP-195749: Node panic due to [Possible duplicate free of address]Sat, 07 Feb 2026
- CONTAP-586226: File can't be deleted due to DoC with Flexcache even with fix for CONTAP-93360Sat, 07 Feb 2026
- CONTAP-586796: Flexcache cache locks are not getting freedSat, 07 Feb 2026
- CONTAP-532289: ONTAP cluster node reboots unexpectedly due to invalid memory access during antivirus scan decisionSat, 07 Feb 2026
- CONTAP-392355: Fpolicy FSM service is failing to start after upgrade or rebootFri, 06 Feb 2026
- CONTAP-335193: File level security permissions are not being applied as intended using REST APIThu, 05 Feb 2026
- CONTAP-578764: Page fault during Nfsv3 ReadDirPlus responseWed, 04 Feb 2026
- CONTAP-573120: RFE: Add REST-API endpoint attributes 'v3-hide-snapshot' for 'nfs-service-modify' callWed, 04 Feb 2026
NAS Public Report
Highest rated
(rating)- CONTAP-120160: NFS v4.2-xattrs field getting flipped after upgrades
- NFSv4.2 clients report "invalid argument" after upgrading ONTAP from a version affected by CONTAP-120160
- CONTAP-318796: Occasionally the SID Lookup via LSAR_LOOKUP_SIDS2 is failing due to error:NT_STATUS_NETWORK_SESSION_EXPIRED(0xc000035c)
- CONTAP-413023: Accessing an NFS mount fails due to authentication error
- CONTAP-387859: SETINFO metadata modification errouneously evicts blocks with write-back
- CONTAP-250153: RFE to completely bypass name string resolution in NFSv4
- CONTAP-347583: CIFS server creation using Windows 2025 Domain Controller failing with KRB5KRB_AP_ERR_MODIFIED error
- CONTAP-307675: ANDU : Received PANIC packet from partner, receiving message is (CLAM has determined this node is out of quorum) in SK process mcc_ic_kill_pkt_handler
- CONTAP-363717: ONTAP EMS reports cifs.replay.failure for cifs-nblade module.
- CONTAP-80173: CIFS Kerberos AES encryption should be enabled by default
- CONTAP-152422: LDAP servers are marked bad due to missing attribute for a user. Causes re-discovery to run more often that it should.
- CONTAP-48624: RFE - Add folders to Dynamic Home Dirs for DFS or FSLogix
- CONTAP-343083: File copy from the FlexCache CIFS share occasionally fail due to ONTAP returns non-zero value
- CONTAP-394279: Request to automatically update Share ACL when changes are made in AD
- CONTAP-348592: FPolicy Screen Request contains Snapshot msid Instead of Volume msid
Recently updated
(date updated)- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xx
- CONTAP-120160: NFS v4.2-xattrs field getting flipped after upgrades
- CONTAP-71492: File open request from SMB clients can sometimes cause problem
- CONTAP-86349: SMB access failures with out-of-sync machine account password errors
- CONTAP-89506: NLM Blocking Lock May Lead to Controller Disruption
- CONTAP-111846: secd.ldap.noServers:EMERGENCY due to trusted DC discovery after ONTAP upgrade
- CONTAP-113750: REST Support for WorkGroup Mode in CIFS server
- CONTAP-69819: Controller panic during enumeration of cifs sessions
- CONTAP-103482: cifs domain password schedule job is not running after SVM migrate.
- CONTAP-109248: Controller not serving file operations due to extensive export policy configuration changes
- CONTAP-120558: Time to Live (TTL) of CNAME DNS record cached in ONTAP can be invalid
- CONTAP-124560: Mount to ONTAP via NFS over RDMA may fail with "Connection refused"
- CONTAP-195749: Node panic due to [Possible duplicate free of address]
- CONTAP-586226: File can't be deleted due to DoC with Flexcache even with fix for CONTAP-93360
- CONTAP-586796: Flexcache cache locks are not getting freed
Recently added
(date created)- CONTAP-627619: Remove CIFS reference from Qtree export-policy warning when CIFS export policies are disabled
- CONTAP-613017: ONTAP NFS‑o‑RDMA panic triggered by malformed packet handling
- CONTAP-584040: Unexpected Node reboot with message thread (NwkThd_xx) on cpu <x> hung for 4001 milliseconds in process NwkThd_xx
- CONTAP-618659: Apply failed for Object: ldap_client_schema_byuuid Method: baseline. Reason: duplicate entry
- CONTAP-603281: FlexCache CIFS access may fail or experience slowness due to Remote Access Layer (RAL) cache thrashing
- CONTAP-615396: RFE: Domain User connecting via MMC should not be able to enumerate local users and groups
- CONTAP-610350: The domain name in privileged user name "DOMAIN.A\user" cannot be a FQDN
- CONTAP-587109: LDAP SearchResEntry returns no entries on connection previously reporting RESULT_ERROR_LDAPSERVER_SERVER_DOWN
- CONTAP-586796: Flexcache cache locks are not getting freed
- CONTAP-491023: Allow for READDIRs against an Origin directory that is being updated via FlexCache write-back mechanism
- CONTAP-440125: Unexpected Node reboot with message thread (NwkThd_XX) on cpu <X> hung for 4001 milliseconds
- CONTAP-578764: Page fault during Nfsv3 ReadDirPlus response
- CONTAP-600179: DR CONFIG REPLICATION FAILED: Apply failed for Object: vscan_status Method: baseline. Reason: Failed to queue Vscan job. Reason: "Job running"
- CONTAP-356183: pNFS should have a mechanism for selecting available interfaces
- CONTAP-594735: RFE: Windows Server 2025 Witness Client failing to register Witness Server for notification Name with SMB for SQL Cluster