RPC_S_GROUP_MEMBER_NOT_FOUND - 1898 (0x76A)
The group member was not found.
Updated: Feb 21, 2026
Technical Meaning
The error code RPC_S_GROUP_MEMBER_NOT_FOUND indicates that a requested group member could not be located. This typically occurs in scenarios where the system attempts to resolve or validate membership within a security group, but fails due to an absence of the specified member.
Error Details
- Error Name: RPC_S_GROUP_MEMBER_NOT_FOUND
- Numeric Code: 1898 (0x76A)
- Short Description: The group member was not found.
This error is indicative of a failure in the process of identifying or validating membership within a security group. It can occur during various operations that require checking group memberships, such as access control checks or permission validation.
Usage Context
The RPC_S_GROUP_MEMBER_NOT_FOUND error typically arises in scenarios involving network services and distributed applications where Remote Procedure Calls (RPC) are used to manage and validate group membership across different systems. It can also appear in local Windows environments when dealing with security groups managed by the Local Security Authority Subsystem Service (LSASS).
Developer Interpretation
Developers should interpret this error as a signal that a specific member within a security group does not exist or could not be resolved. This might indicate an issue with the input parameters, such as incorrect group names or member identifiers, or it could suggest a problem with the underlying data integrity of the group membership information.
Related Errors
- RPC_S_GROUP_NOT_FOUND: Indicates that the specified security group does not exist.
- RPC_S_INVALID_NAME: Suggests an invalid name was provided for a group or member.
- RPC_S_ACCESS_DENIED: Implies that access to the group or its members is denied, possibly due to insufficient privileges.
FAQ
Q: What causes RPC_S_GROUP_MEMBER_NOT_FOUND?
A: This error typically occurs when the system cannot find a specified member within a security group. Common causes include incorrect group names, invalid member identifiers, or corrupted membership data.
Q: How can I troubleshoot this issue?
A: Review the input parameters and ensure that the correct group name and member identifier are used. Verify the integrity of the group membership information to rule out any corruption issues.
Summary
The RPC_S_GROUP_MEMBER_NOT_FOUND error code signifies a failure in resolving or validating a specified member within a security group. Developers should focus on ensuring accurate input parameters and verifying the integrity of group membership data when encountering this issue.