NetWorker:Windows 客户端 BBB 还原失败 “An existing connection was forced closed by the remote host”

Summary: NetWorker 19.9 Windows 客户端基于数据块的备份 (BBB) 还原失败,出现错误:“nsriscsi:无法获取 ISCSI 标头。远程主机强行关闭了现有连接”。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

NetWorker 19.9 Windows 客户端基于数据块的备份 (BBB) 已成功完成,但 BBB 还原失败,并显示错误:
nsriscsi: unable to get ISCSI Header An existing connection was forcibly closed by the remote host.

Cause

Windows ISCSI 超时导致 NetWorker BBB 还原失败。

Resolution

在 Windows 注册表中:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E97B-E325-11CE-BFC1-08002BE10318}\Microsoft iSCSI Initiator\Parameters]

将以下参数从默认值增加到最大值:
  
 FirstBurstLength:默认值为 65536 (64 KB);增加至 262144 (256 KB)

MaxBurstLength:默认值为 262144 (256 KB);增加到 327680 (320 KB)

MaxRequestHoldTime:默认值为 60 秒;增加到 90 秒。

MaxTransferLength:默认值为 262144 (256 KB);增加到 327680 (320 KB)

增加 windows iSCSI 参数后,Windows 客户端 BBB 还原成功完成。

Affected Products

NetWorker

Products

NetWorker Family
Article Properties
Article Number: 000223519
Article Type: Solution
Last Modified: 20 مايو 2026
Version:  3
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.