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0XC00002A8

The directory service has exhausted the pool of relative identifiers

Home / Error Codes / Files and storage / 0XC00002A8

Microsoft defines 0XC00002A8 as STATUS_DS_NO_MORE_RIDS: The directory service has exhausted the pool of relative identifiers.

SeverityMediumSystemsWindows 10 / 11SymbolSTATUS_DS_NO_MORE_RIDSUpdatedSep 1, 2026

Overview

0XC00002A8 is the NTSTATUS representation of STATUS_DS_NO_MORE_RIDS. The code identifies the documented condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Common causes

  • The affected operation returned the official STATUS_DS_NO_MORE_RIDS condition
  • The calling program encountered the documented result: The directory service has exhausted the pool of relative identifiers.
  • A configuration, resource, or dependency used by the files and storage operation did not meet its requirements
  • A recent program, service, installer, or system change altered the context in which 0XC00002A8 occurs

Symptoms

  • Confirm which operation returned 0XC00002A8
  • Match 0XC00002A8 to events from the same timestamp
  • Retest once and preserve any changed result

Prevention

  • Preserve Application and System events that accompany 0XC00002A8
  • Use supported installers and configuration methods for the affected files and storage workflow
  • Document changes so the operating context for STATUS_DS_NO_MORE_RIDS can be reconstructed

0XC00002A8 diagnostic evidence

Official-definition grounded

Use the code identity and the affected operation together. The same numeric result can appear in different workflows, so logs and symptoms determine the safest repair branch.

Hexadecimal0XC00002A8
Unsigned decimal3221226152
SymbolSTATUS_DS_NO_MORE_RIDS
Error familyFiles and storage
Severity bitFailure
Evidence sourceMicrosoft Open Specifications [MS-ERREF] NTSTATUS Values
1Confirm the operationConfirm which operation returned 0XC00002A8
2Collect matching evidenceMatch 0XC00002A8 to events from the same timestamp
3Retest the same actionRetest once and preserve any changed result

Definition source: Microsoft Open Specifications [MS-ERREF] NTSTATUS Values. This report preserves the official code identity and does not claim one universal cause.

How to troubleshoot error 0XC00002A8

Use these Windows-native steps in order. Stop when Windows Update works again; advanced repair commands are not necessary on every PC.

1

Restart Windows and retry the update

Save your work, restart the PC, then open Settings > Windows Update and select Check for updates. A restart can release pending files without changing Windows configuration.

2

Run the Windows Update troubleshooter

Open Settings > System > Troubleshoot > Other troubleshooters. Locate Windows Update and select Run. Current Windows 11 versions may continue the diagnostic flow in Get Help.

3

Repair Windows components when indicated

If troubleshooting still reports missing or damaged components, open Terminal as administrator, run DISM RestoreHealth, and then run System File Checker. Do not interrupt either scan.

Before advanced repair: Back up important files. Managed work or school PCs may use organization update policies, so contact the administrator before changing services or update components.

Official-source grounding

The error meaning is grounded in Microsoft Open Specifications [MS-ERREF] NTSTATUS Values. The visual sequence also follows Microsoft Support guidance for Windows Update troubleshooting and Microsoft DISM repair guidance. Causes and repair steps vary by system evidence; this report does not claim a universal success rate.

Frequently asked questions

What does 0XC00002A8 mean?

Microsoft defines 0XC00002A8 as STATUS_DS_NO_MORE_RIDS: The directory service has exhausted the pool of relative identifiers. 0XC00002A8 is the NTSTATUS representation of STATUS_DS_NO_MORE_RIDS. The code identifies the documented condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Is 0XC00002A8 always caused by the same problem?

No. The code identifies a failure condition, but the exact cause depends on the affected operation, Windows build, logs, and recent system changes.

Can Advanced System Repair help with 0XC00002A8?

Advanced System Repair can scan for damaged Windows components and related system issues. No tool can guarantee one universal fix; preserve backups and match repair steps to the evidence on the affected PC.