Event ID - 18210

Event Id18210
Description%1: %2 failure on backup device %3. Operating system error %4.
Event InformationCAUSE:
This message indicates that an I/O error was reported by the operating system after a file handle was successfully opened. The error occurs when reading from or writing to a device specified as part of a BACKUP or RESTORE command, often when there is not enough disk space available for a write operation. This error may also be seen if third-party software that uses a virtual device to perform SQL Server backups cancels the operation.

The steps to take will depend upon the operating system error received.

1. Verify that the specified path has sufficient disk space for the file.
2. Test to see if the problem is isolated to this particular server, path, or file.
3. Run hardware diagnostics to verify that the media specified in the path is healthy.
4. If the operating system error only returns a number and not any text, you can open a command prompt and execute NET HELPMSG with the operating system error number as the parameter. In many cases, this will return text that can help you to isolate the problem.
5. If you received this error while using third-party backup software, check that applications logs to see if it canceled the backup operation, and if so, why.
Reference LinksMicrosoft product: SQL Server Version: 2000.80.760.0 Event Source: MSSQLServer Event ID: 18210

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