标签:ad 2003 2008 xp mode 40960 40961
环境:
AD:Windows Server 2003升级Windows Server 2008 R2
客户端:Windows 7+XP mode
故障:
AD 2003升级到2008 R2(系统升级,其他没变),导致客户端Windows 7内的XP mode登陆域时间过长,在XP Mode重新配置用户配置文件,登陆正常。
在AD上看到日志有Event 40960和40961的警告:
Event ID: 40960
Source: LsaSrv
Type: Warning
Category: SPNEGO (Negotiator)
Description: The Security System detected an attempted downgrade attack for server <server name>. The failure code from authentication protocol Kerberos was "There are currently no logon servers available to service the logon request. (0xc000005e)".
Event ID: 40691
Type: Warning
Source: LSASRV
Category: SPNEGO (Negotiator)
Description:
The Security System could not establish a secured connection with the server ldap/xxxx.com. No authentication protocol was available.
解决方法:
在XP mode用本地管理员登陆,打开注册表,在[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\Parameters]
添加DWORD,DWORD名字为MaxPacketSize,值为1
本文出自 “gs_hao” 博客,谢绝转载!
[case分享]AD 2003升级2008导致XP mode登陆域时间长
标签:ad 2003 2008 xp mode 40960 40961
原文地址:http://gshao.blog.51cto.com/3512873/1763137