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0X00000573

The service being accessed is licensed for a particular number of connections. No more connections can be made to the service at this time because there are already as many connections as the service can accept

Home / Error Codes / Security and permissions / 0X00000573

Microsoft defines 0X00000573 as ERROR_LICENSE_QUOTA_EXCEEDED: The service being accessed is licensed for a particular number of connections. No more connections can be made to the service at this time because there are already as many connections as the service can accept.

SeverityMediumSystemsWindows 10 / 11SymbolERROR_LICENSE_QUOTA_EXCEEDEDUpdatedSep 1, 2026

Overview

0X00000573 is the Win32 representation of ERROR_LICENSE_QUOTA_EXCEEDED. 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 ERROR_LICENSE_QUOTA_EXCEEDED condition
  • The calling program encountered the documented result: The service being accessed is licensed for a particular number of connections. No more connections can be made to the service at this time because there are already as many connections as the service can accept.
  • A configuration, resource, or dependency used by the security and permissions operation did not meet its requirements
  • A recent program, service, installer, or system change altered the context in which 0X00000573 occurs

Symptoms

  • Confirm which operation returned 0x00000573
  • Match 0x00000573 to events from the same timestamp
  • Retest once and preserve any changed result

Prevention

  • Preserve Application and System events that accompany 0X00000573
  • Use supported installers and configuration methods for the affected security and permissions workflow
  • Document changes so the operating context for ERROR_LICENSE_QUOTA_EXCEEDED can be reconstructed

0X00000573 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.

Hexadecimal0X00000573
Unsigned decimal1395
SymbolERROR_LICENSE_QUOTA_EXCEEDED
Error familySecurity and permissions
Severity bitSuccess / informational
Evidence sourceMicrosoft System Error Codes (WinError.h)
1Confirm the operationConfirm which operation returned 0x00000573
2Collect matching evidenceMatch 0x00000573 to events from the same timestamp
3Retest the same actionRetest once and preserve any changed result

Definition source: Microsoft System Error Codes (WinError.h). This report preserves the official code identity and does not claim one universal cause.

How to troubleshoot error 0X00000573

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 System Error Codes (WinError.h). 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 0X00000573 mean?

Microsoft defines 0X00000573 as ERROR_LICENSE_QUOTA_EXCEEDED: The service being accessed is licensed for a particular number of connections. No more connections can be made to the service at this time because there are already as many connections as the service can accept. 0X00000573 is the Win32 representation of ERROR_LICENSE_QUOTA_EXCEEDED. The code identifies the documented condition, while the calling program, timestamp, logs, and repeatable operation identify the responsible component.

Is 0X00000573 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 0X00000573?

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.