This article explains the steps to separate and work around the issue of incorrect mapping when using LDAP where the encryption method used affects LDAP mapping.

업데이트됨: 5월 15, 2026 ID: 000204586

Dell Unity: SP may panic, reboot continuously, or come up in Service Mode after hardware maintenance if cabled incorrectly (Dell Correctable)

After recent hardware maintenance where Service Processors (SPs) had to be removed, one or both SPs may panic, reboot sporadically or continuously, or come up in Service Mode if cabled incorrectly or components came loose.

업데이트됨: 5월 15, 2026 ID: 000204581

Dell Unity: Comparing the maximum recommended IOPS per drive for Dell Unity and VNX arrays

The recommended IOPS per drive is different between Dell Unity and VNX arrays. Below are the values for both.

업데이트됨: 5월 15, 2026 ID: 000204509

Dell Unity: Answers to Common Unity Upgrade Related Questions (User Correctable)

Answers to common Dell Unity Non-Disruptive Upgrade (NDU) related questions

업데이트됨: 5월 15, 2026 ID: 000204308

Dell Unity: NAS server reported Domain Controller servers not reachable (User Correctable)

Customer receives alert on NAS server reporting domain controller not reachable when one or more Domain controllers configured are RODC (Read-Only Domain Controller)

업데이트됨: 5월 15, 2026 ID: 000204287

Dell Unity: How to check expire date of SSL Certificate

How to check expire date of SSL Certificate on CLI and Unisphere UI

업데이트됨: 5월 15, 2026 ID: 000204179

Dell Unity: Replication Bandwidth schedules are not working as expected (User Correctable)

This article explains why bandwidth schedules do not synchronize at the expected time when the time zone is set to any time zone other than UTC.

업데이트됨: 5월 15, 2026 ID: 000204177

Dell Unity: Deleting LDAP users/groups from Unity fails with error: Requested user or group was not found. (Error Code:0x600012d) (Dell Correctable)

User already deleted the LDAP configuration and was attempting to delete the user/group entries. Because there is no proper configuration to reach LDAP servers the deletion job is failing with error 'Requested user or group was not found'.

업데이트됨: 5월 15, 2026 ID: 000204094

DELL Unity: ldap.conf is overwritten by default ldap.conf when adding LDAP servers (User Correctable)

When the Unity NAS server LDAP config is changed from auto to manual setting and a third LDAP server is added. The ldap.conf may get overwritten by a default or autogenerated ldap.conf.

업데이트됨: 5월 15, 2026 ID: 000203757

Dell Unity: Failed to add role mapping for LDAP user when forest level authentication is configured. (User Correctable)

Customer configured forest level LDAP authentication on Unity for GUI management. The LDAP connection was verified OK but customer was unable to add role mapping for LDAP users.

업데이트됨: 5월 15, 2026 ID: 000203550

Dell Unity: Asynchronous Replication Session not transferring data (User Correctable)

Asynchronous replication session was created, yet no data is being transferred.

업데이트됨: 5월 15, 2026 ID: 000203359

Dell Unity: svc_udoctor command did not work correctly

This article describes a possible solution to the problem when the "svc_udoctor" command does not work properly. (Dell correctable)

업데이트됨: 5월 15, 2026 ID: 000203308

Dell Unity: 5.2로 업그레이드한 후 HP LaserJet 프린터가 Unity 네트워크 폴더에 액세스하지 못할 수 있음(Dell 수정 가능)

Unity 5.2 코드로 업그레이드한 후 HP LaserJet MFP(Multi-Function Printer)가 Unity 시스템의 네트워크 폴더에 액세스하지 못할 수 있음

업데이트됨: 5월 15, 2026 ID: 000203276

Dell Unity: With traditional pools, when a system drive (0_0_0 to 0_0_3) fails and is replaced, this system drive does not become a hotspare (Dell Correctable)

When a system drive fails in a traditional pool, a hotspare is used to copy customer data luns. Once the system drive is replaced, the system drive does not become available as a hotspare. This could lead to a hotspare rule failure as there is one less hotspare available.

업데이트됨: 5월 15, 2026 ID: 000203123

Dell Unity: Is Unity affected by CVE-2021-42287? (User Correctable)

Information on whether or not Dell Unity products are vulnerable to CVE-2021-42287.

업데이트됨: 5월 15, 2026 ID: 000202719

Dell Unity: ls command hung on RHEL 8.4 client when mounting Unity NFS export via NFSv4 (User Correctable)

ls command hung on RHEL 8.4 client when mounting Unity NFS export via NFSv4.

업데이트됨: 5월 15, 2026 ID: 000202521

Dell Unity: How to Remove an Existing LUN from a Consistency Group

Here are the steps and precautions that are necessary for removing an existing LUN from a Consistency Group. (User Correctable)

업데이트됨: 5월 15, 2026 ID: 000202482

Dell Unity: Users from trusted domain can't access the Unity NAS server (User Correctable)

Users from trusted domain can't access the Unity NAS server with selective authentication being enabled in the domain trust configuration. When selective authentication is enabled, users from trusted domain can only access the NAS server if they are granted with special permission.

업데이트됨: 5월 15, 2026 ID: 000202350

Dell Unity: 5.1 이상으로 업그레이드한 후 생성된 storageoffline 인타임 DC 설명(사용자 수정 가능)

5.1 이상으로 업그레이드한 후 생성된 storageoffline 인타임 DC에 대해 설명합니다.

업데이트됨: 5월 15, 2026 ID: 000202294

Dell Unity: How to modify NDMP TCP data port range used on NAS backup operations. (User Correctable)

When configuring NDMP backups on Unity systems, customers might have a situation where they must use different TCP data port ranges for NDMP data/mover listening.

업데이트됨: 5월 15, 2026 ID: 000202284

Dell Unity: Best Practices to Manage Consistency Groups with Replication Configured

This article discusses the best practices to follow to ensure that Consistency Groups (CG) with replication configured are handled appropriately. (Dell Correctable)

업데이트됨: 5월 15, 2026 ID: 000202243

Dell Unity: Cannot create NTP servers. At least one of the specified NTP servers is not working (Dell Correctable)

Failed to add NTP server on Unity, Error: Cannot create NTP servers. At least one of the specified NTP servers is not working.

업데이트됨: 5월 15, 2026 ID: 000202144

Dell Unity: NAS servers cannot connect to NTP servers using IP addresses assigned to NAS servers

NAS servers cannot connect to Network Time Protocol (NTP) servers using IP addresses assigned to the NAS servers.

업데이트됨: 5월 15, 2026 ID: 000202092

Dell Unity: Unable to Create Traditional Pool from Unisphere OR RAID 5 or 10 Not Available When Creating Pool from Unisphere

Unable to create traditional pool from Unity user interface OR RAID 5 or 10 not available when creating pool from Unity user interface. (User Correctable)

업데이트됨: 5월 14, 2026 ID: 000201423

Dell Unity: Replication mode changes from sync to async after code upgrade to 5.2 (Dell Correctable)

The replication mode might get changed from sync to async after upgrading to code 5.2. This leads to replication connection validation failure and impact replication-related operations like pause/resume/failover/failback.

업데이트됨: 5월 14, 2026 ID: 000200659

Dell Unity: Customers using Tree Quotas could experience SP panics or offline file system when running OE 5.2.x (User Correctable)

During file system creations or file system mounts, there is a chance of an unexpected Storage Processor (SP) reboot or file system going offline if Tree Quotas are enabled. Sometimes, a storage processor has remained in Service Mode after the unexpected reboot.

업데이트됨: 5월 14, 2026 ID: 000200516

Dell Unity: LUN 확장 후 스냅샷에서 복제된 LUN을 복원할 수 없음(사용자가 수정 가능)

LUN 확장 전에 생성된 스냅샷에서 복제된 LUN을 복원할 수 없습니다. 오류: 0x716f100a

업데이트됨: 5월 14, 2026 ID: 000200276

Dell Unity: DNS 서버를 사용할 수 없는 경우 보안 NFS가 활성화된 상태에서 SP 패닉이 발생할 수 있습니다(사용자가 수정 가능).

이 패닉 상태는 Kerberos 환경의 Secure NFS와 관련된 Unity OE 5.1의 회귀와 DNS 서버가 선택적으로 응답하거나 기타 문제가 있기 때문입니다. 이름 서비스 조회가 수행되고 있고 이름 서비스에 연결할 수 없고 조회 이름이 캐시에 없는 경우 패닉이 발생할 수 있습니다. 이 문제는 Unity OE 5.0.x 릴리스에 영향을 주지 않습니다.

업데이트됨: 5월 14, 2026 ID: 000200255

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Dell EMC Unity 600

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