如果客户端不使用NTLMv2、见证协议连接将失败
适用场景
- 集群模式 Data ONTAP 8
- ONTAP 9
问题描述
在配置要在Hyper-V部署中使用的持续可用(CA)共享时、见证协议将失败、Windows将生成以下事件日志条目:Witness Client failed to find a Witness Server for NetName \ccp1filer with error (A remote procedure call (RPC) protocol error occurred.). Retrying in (15) seconds
"。
从Windows Server 2012 R2客户端连接到CA共享时、用户可以成功映射此共享并创建/查看文件;但是、SMB 3.0见证协议会失败。
在Windows "MBWitnessClient"事件日志中、显示以下错误:
Log Name: WitnessClientAdmin
Source: Microsoft-Windows-SMBWitnessClient
Date: 12/25/2016 8:18:41 PM
Event ID: 6
Task Category: None
Level: Critical
Keywords:
User: NETWORK SERVICE
Computer:
c1slic01.ccp1.gene.com
Description:
Witness Client failed to find a Witness Server for NetName \ccp1filer with error (A remote procedure call (RPC) protocol error occurred.). Retrying in (15) seconds.
secd日志中将显示以下内容:
0000000d.000f55bf 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] .------------------------------------------------------------------------------.
0000000d.000f55c0 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] | RPC FAILURE: |
0000000d.000f55c1 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] | secd_rpc_auth_msrpc has failed |
0000000d.000f55c2 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] | Result = 0, RPC Result = 2147483651 |
0000000d.000f55c3 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] | RPC received at Sat Jan 7 17:12:51 2017 |
0000000d.000f55c4 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] |------------------------------------------------------------------------------'
0000000d.000f55c5 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] Failure Summary:
0000000d.000f55c6 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] Error: MsRPC authentication procedure failed
0000000d.000f55c7 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] [ 0 ms] Login attempt by domain user 'CCP1\C1SLIC01$' using NTLMv1 style security
0000000d.000f55c8 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] [ 0] Successfully connected to 10.34.62.1:445 using TCP
0000000d.000f55c9 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] [ 10] Successfully authenticated with DC ccp1sdc01.ccp1.gene.com
0000000d.000f55ca 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] [ 12] User authenticated as a domain user
0000000d.000f55cb 1627b85f Sat Jan 07 2017 17:12:51 -08:00 [kern_secd:info:4681] **[ 12] FAILURE: Error case not correctly journaled
在捕获见证协议握手的数据包跟踪中、客户端NTLMSSP_AUTH期间会注意到NTLMv2不存在:
以下屏幕截图显示了SVM的响应:
通过对成功的见证协议握手的示例跟踪进行比较、可以清楚地看到NTLMv2: