ERROR_ALL_USER_TRUST_QUOTA_EXCEEDED - 1933 (0x78D)

The total delegated trust creation quota has been exceeded.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_ALL_USER_TRUST_QUOTA_EXCEEDED error code indicates that the system has reached its maximum limit for creating trust relationships in a delegated manner. This limitation is enforced to prevent excessive resource consumption and maintain system stability.

Error Details

This error typically occurs when an attempt is made to create additional trust relationships, but the total number of such relationships exceeds the predefined quota. Trust relationships are essential for various security mechanisms within Windows, including user delegation and service principal names (SPNs).

Usage Context

The context in which this error might occur includes scenarios where multiple users or services require trust relationships to be established with other entities. This can happen during administrative tasks, such as configuring domain trusts or managing Kerberos principals.

Developer Interpretation

Developers should interpret this error code as an indication that the system has reached its limit for creating trust relationships. It is important to ensure that operations are performed within the constraints defined by the system to avoid encountering this error.

Common Causes

  • Exceeding the maximum number of trust relationships allowed per user or service.
  • Attempting to create additional trust relationships when the quota has already been reached.

Related Errors

  • ERROR_TRUST_QUOTA_EXCEEDED (1932): Indicates that a specific trust relationship creation attempt has failed due to exceeding the quota for that particular relationship.
  • ERROR_NO_TRUST_REFERRAL (1950): Occurs when no appropriate trust referral can be found, which might indirectly indicate issues with trust relationships.

FAQ

Q: What does the ERROR_ALL_USER_TRUST_QUOTA_EXCEEDED error mean?

A: It means that the system has reached its maximum limit for creating trust relationships in a delegated manner.

Q: How can I resolve this issue?

A: Ensure that operations are performed within the constraints defined by the system. If necessary, contact your administrator to adjust the trust quota settings or remove unnecessary trust relationships.

Summary

The ERROR_ALL_USER_TRUST_QUOTA_EXCEEDED error indicates that the total delegated trust creation quota has been exceeded. Developers should be aware of this limitation and ensure their operations adhere to these constraints to avoid encountering this error.