DD OS

This document highlights minimum, recommended, and latest code versions for Dell Technologies Enterprise and Datacenter Infrastructure products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.

Data Domain Capacity Resolution Path.

Applying an ELMS License to a DD or DDVE may be performed using the DD System Manager or DD CLI.

This knowledge article provides a collection of frequently asked questions (FAQ) about Data Domain Data At Rest Encryption (DARE) in a consolidated location for ease of reference.

How to reset or regenerate certificates due to expiration (or misconfiguration).

All connectivity from the Data Domain to the Secure Connect Gateway is working, but CloudIQ is not receiving data.

This Guide is based on steps from DDOS code 7.9.

This article provides tables of supported stream counts for Data Domain OS (DDOS) 6.0 by Data Domain Model.

Dell PowerProtect Data Domain remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

The DD File System (DDFS) automatically disables itself as a safeguard when the system sees an environmental condition is not good and it sees a critical alert on enclosure 1

The purpose of this guide is to detail the procedure of updating firmware on the DD3300.

DB2 schedule backup failing with Vendor error: rc = 25 returned from function sqluvput due DD to timeout

This document discusses hardware monitoring performed on DD3300 with hardware monitoring processes and ensure that alerts are reported on DD3300.

This article provides general best practice steps to prepare NetWorker for a Data Domain IP address change.

Starting with Data Domain releases from April 2026, updates have been introduced to iDRAC operator user behavior as part of Dell’s ongoing security enhancements. These updates help protect your system by preventing prolonged or unauthorized privileged access, while continuing to ensure full supportability. When maintenance that requires elevated access is necessary, Dell Support will follow established and approved procedures and will return the system to a compliant and secure state once the work is complete.

The primary focus for this article is to troubleshoot an interface down, multiple interfaces down, an intermittent interface, and a bad network card. Replacing parts should be the last step in resolving interface down issues. Troubleshooting these issues first such as reviewing the switch side, may lead to the quickest resolution.

Cloud deployed DDVE performance decrease if there are any errors on object-store/account. In cloud environments DDVE depend on the cloud infrastructure, cause of slowness or latency must be nailed down. This doc offers some starting points for the investigation.

The Data Domain Operating System (DDOS) can be upgraded by following the instructions in this KB article.

Data Domain sends alerts that it is almost full (90-100%). This article helps to analyze the real cause, if there is any issue in deletion of files or the DD is filled up to its limit.

Access detailed installation, upgrade, and maintenance guides for Dell PowerProtect and Data Domain hardware, including models DD6300, DD6900, DD9900, and more

This article explains the procedure to open a Service Request (SR) using the Dell support page. Get help fast for your Dell device. No more waiting on hold. No more tech headaches. Dell makes it simple to fix problems, schedule repairs, or get support—right from your device or our support website.

This article provides instructions for manually resetting the Baseboard Management Controller (BMC) or Integrated Dell Remote Access Controller (iDRAC) on Data Domain and PowerProtect DD systems. While DDOS may automatically attempt a reset when known issues are detected, manual intervention may be required if alerts persist.

Data Domain (DD) systems include an SNMP agent that can report system status and alerts to external management servers. If SNMP v2 is enabled and configured with default community names such as public or private, security scanners may flag the system as vulnerable to CVE‑1999‑0517.

Troubleshoot common SNMP issues. SNMP configuration and Issues in Data Domain causing Monitoring Services disabled in Integrated Backup Software or DPA. All the steps are sequential and mandatory till the resolution.

Data Domain (DD) unit reports Alert - ENVIRONMENT-00039: BMC failure has been detected. File system is unchanged Cause: iDRAC is offline.

Customer is seeing conflict Errors in DPA Collecting Logs

This article describes scenarios where the shelf numbers, assigned to external storage enclosures (ES-30 & DS-60) on Data Domain appliances may not be sequential. Non-sequential numbering or gaps in the shelf numbering sequence may occur after a completed storage migration operation, chassis replacement for one of the storage enclosures, or physically moving a storage enclosure to a new path. Data Domain recommends that the steps detailed in this article be applied in order to re-number all of the enclosures sequentially.

Unable to register a Data Domain at the Data Protection Central (DPC) console.

This article addresses the failure of the CMOS or system battery within a Data Domain. Alert Posted (EVT-ENVIRONMENT-00032) on Data Domain systems indicate the Storage Processor (SP) has failed. Additional information within the posted alert notification indicates the cause as "Coin cell battery failed."

EVT-MPATH-00005: The number of active paths to a disk has decreased. Multipath redundancy has been lost unless there is more than one connection path.