我正在使用Windows Server 2012 R2和acronis备份11.7。当我尝试在外部磁盘中备份时，它可以工作，但是如果我将其更改为共享网络，它将失败。我尝试将文件粘贴到共享网络并将其复制。我使用acronis vss医生诊断错误，并且在vss writer状态下注册了警告，以下是错误：
Some VSS writers were failed. Event log may contain more details.
System Writer: [9] Failed, Timed out
SqlServerWriter: [9] Failed, Timed out
IIS Config Writer: [9] Failed, Timed out
IIS Metabase Writer:[9] Failed, Timed out
WMI Writer:[9] Failed Timed out