NetWorker：MSSQL 备份失败并显示“BACKUP DATABASE is terminating abnormally”错误
Summary: 本知识库文章介绍了 Microsoft SQL Server （MSSQL） 备份失败并显示“备份数据库异常终止”错误的问题。
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Symptoms
SQL 备份失败，并在 nsrsqlsv.log管理此进程：
Internal system error, please see nsr\applogs\xbsa.messages on the client system for reason.
Microsoft SQL Server Provider error:
Write failed, status = 995. See the SQL Server error log for more details.
BACKUP DATABASE is terminating abnormally….
Processing <DB> failed, the item is skipped.
SQL 错误日志报告：
spid53 BackupMedium::ReportIoError: write failure on backup device '< Device name>'. Operating system error 995(The I/O operation has been aborted because of either a thread exit or an application request.).
Backup failed to complete the command BACKUP database [database] TO virtual_device='<Device name>' WITH name='<name>'.
验证 xbsa.messages 日志。它报告了以下错误：
nwbsa_is_retryable_error: received a network error (Severity 5 Number 12): The feature "NetWorker Module for Microsoft SQL Server/9" is not properly enabled for client <client name>.
Cause
Resolution
确保在 NetWorker 服务器上应用了 NetWorker Module for Microsoft SQL Server 的许可证。
Affected Products
NetWorkerArticle Properties
Article Number: 000080223
Article Type: Solution
Last Modified: 21 Mar 2026
Version: 4
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