Console Event Error Processing Host [hostid] ERROR_MESSAGE: Warning Fatal Error 824

Products

• Carbon Black App Control

Issue/Introduction

After taking an action in the Console (such as attempting a Global Approval or Local Approval), Events are generated similar to

Error processing host [HOST_ID] ERROR_MESSAGE: Warning: Fatal error 824 occurred at Jun 10 2026 12:32PM. Note the error and time, and contact your system administrator.

Environment

• App Control Server: All Supported Versions
• Microsoft SQL Server: All Supported Versions

Cause

This Fatal Error is returned by the SQL Server, and Microsoft states 

Error 824 usually indicates a problem in the I/O subsystem such as failing disk drives, firmware problems, faulty device drivers, and so on.

Resolution

Work with your SQL Server DBA to determine the next best steps; they will be able to evaluate the situation and determine what options are available.

In most cases, a database restore to the last known-good full backup may be required. Alternatively, the DBA may opt to attempt a repair with some data loss.

Additional Information

• DAS Database Backup Best Practices
• Create a maintenance plan
• DBCC CHECKDB (Transact-SQL)
• Help, my database is corrupt. Now what?