您好，在12.11 07:21 这个一台 server2012r2服务器冲出现了异常重启，请帮我查看一下重启的根本原因，非常感谢！下面是 相关的系统日志：

Log Name:      System

Source:        User32

Date:          2017-12-11 7:21:32

Event ID:      1074

Task Category: None

Level:         Information

Keywords:      Classic

User:          SYSTEM

Computer:      LF1CN-DBSERVER.ad.trw

Description:

The process C:\Windows\system32\svchost.exe (LF1CN-DBSERVER) has initiated the restart of computer LF1CN-DBSERVER on behalf of user NT AUTHORITY\SYSTEM for the following reason: Operating System: Recovery (Planned)

Reason Code: 0x80020002

Shutdown Type: restart

Comment:

Event Xml:

1074

0

4

0

0

0x8080000000000000

3382

System

LF1CN-DBSERVER.ad.trw

C:\Windows\system32\svchost.exe (LF1CN-DBSERVER)

LF1CN-DBSERVER

Operating System: Recovery (Planned)

0x80020002

restart

NT AUTHORITY\SYSTEM