Hello,
I have 8 DCs(Windows Server 2008R2) in 5 AD sites with domain and forest functional level 2003 as beow:
HaErBin\HEBSTOR
IDC\ZPDC2
HaErBin\HEBDC
TianJin\TJDC
IDC\ZPDC1
ShiJiaZhuang\SJZDC
SMSSite\BJDC2
SMSSite\BJDC1
All of my DC have 1550 and 1864 error every 24 hours as below:
Event ID: 1550
has no child NTDS Site Settings object CN=SMSSite,CN=Sites,CN=Configuration,DC=zhaopin,DC=com,DC=cn
and Event ID: 1864
Log Name: Directory Service
Source: Microsoft-Windows-ActiveDirectory_DomainService
Date: 2013/1/27 19:43:52
Event ID: : 1864
Task Category:: Replication
Level: Error
Keywords: Classic
User: ANONYMOUS LOGON
Computer: BJDC1.zhaopin.com.cn
Description:
This is the replication status for the following directory partition on this directory server.
Directory partition:
DC=ForestDnsZones,DC=zhaopin,DC=com,DC=cn
This directory server has not recently received replication information from a number of directory servers. The count of directory servers is shown, divided into the following intervals.
More than 24 hours:
1
More than a week:
1
More than one month:
0
More than two months:
0
More than a tombstone lifetime:
0
Tombstone lifetime (days):
180
Directory servers that do not replicate in a timely manner may encounter errors. They may miss password changes and be unable to authenticate. A DC that has not replicated in a tombstone lifetime may have missed the deletion of some objects, and may
be automatically blocked from future replication until it is reconciled.
To identify the directory servers by name, use the dcdiag.exe tool.
You can also use the support tool repadmin.exe to display the replication latencies of the directory servers. The command is "repadmin /showvector /latency <partition-dn>".
----------------------------------------
This error repeats 5 times for the following directory partitions:DC=ForestDnsZones,DC=zhaopin,DC=com,DC=cn; DC=DomainDnsZones,DC=zhaopin,DC=com,DC=cn; CN=Schema,CN=Configuration,DC=zhaopin,DC=com,DC=cn; CN=Configuration,DC=zhaopin,DC=com,DC=cn; DC=zhaopin,DC=com,DC=cn
-----------------------
The only place where I found a reference to an removed DC was in registry HKLM\System\CurrentControlSet\Services\NTDS\Parameters where the key “Src Root Domain Srv” have the value of “zpdc.zhaopin.com.cn". This server has removed before by using dcpromo. I have transfered FSMO from this server to "bjdc1.zhaopin.com.cn" before. "bjdc1.zhaopin.com.cn" is our primary DC right now.
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I have finished below steps to check this problem:
1. Checked to see if there is a reference to a removed domain controller in:
- Active Directory site and services -> My_site -> Servers
- Active Directory users and computers -> Domain Controllers
Everything is OK
2. With ADSI Edit looked at CN=LostAnd Found that is empty .
3. Checked DNS and deleted any reference to an removed DC
4. Used repadmin/showreps on my primary DC with administrator prilivage. everything is OK.
5.Used Run dcdiag on my primary DC with administrator prilivage, everything is ok.
6.Run repadmin /showvector /latency result as below:
C:\Windows\system32>repadmin /showvector /latency DC=ForestDnsZones,DC=zhaopin,
C=com,DC=cn
正在缓存 GUID。
..
7e078c9c-0d51-4e52-ab85-7a9cbe59f07e @ USN 335602 @ Time 2008-04-15 14:35:57
3fc32867-e7aa-4a92-9332-bd2ce6929ef2 @ USN 5703748 @ Time 2009-01-09 18:09:53
bf1eb13d-7073-4882-8b6b-002ac4d2993d @ USN 11877406 @ Time 2009-11-05 17:11:37
fe1aad4f-bdb3-4614-96e7-139c3d158a0f @ USN 13172785 @ Time 2010-01-28 11:53:42
a4da3e6d-4b55-4cf4-a1f3-1fceb8514412 @ USN 15286378 @ Time 2010-04-09 19:53:39
091c93ae-3c99-442c-bce9-6b6bad3e1d6c @ USN 2940940 @ Time 2011-02-14 09:56:15
1b54a596-77d7-414a-bf20-709f3dbf2d45 @ USN 4662294829 @ Time 2012-12-24 09:27:4
553d0e91-f932-4970-b1fd-e5d0d48350c8 @ USN 4334761662 @ Time 2012-12-24 10:24:1
HaErBin\HEBSTOR @ USN 47095838 @ Time 2013-01-08 17:29:40
IDC\ZPDC2 @ USN 65280 @ Time 2013-01-28 08:48:59
HaErBin\HEBDC @ USN 48030379 @ Time 2013-01-28 08:58:57
TianJin\TJDC @ USN 25455262 @ Time 2013-01-28 08:58:57
IDC\ZPDC1 @ USN 67182 @ Time 2013-01-28 08:58:57
ShiJiaZhuang\SJZDC @ USN 83399150 @ Time 2013-01-28 08:58:57
SMSSite\BJDC2 @ USN 124260086 @ Time 2013-01-28 11:38:01
SMSSite\BJDC1 @ USN 175377946 @ Time 2013-01-28 11:44:53
C:\Windows\system32>repadmin /showvector /latency DC=DomainDnsZones,DC=zhaopin,
C=com,DC=cn
正在缓存 GUID。
..
7e078c9c-0d51-4e52-ab85-7a9cbe59f07e @ USN 335607 @ Time 2008-04-15 14:35:58
3fc32867-e7aa-4a92-9332-bd2ce6929ef2 @ USN 5703753 @ Time 2009-01-09 18:09:56
bf1eb13d-7073-4882-8b6b-002ac4d2993d @ USN 11877406 @ Time 2009-11-05 17:11:37
fe1aad4f-bdb3-4614-96e7-139c3d158a0f @ USN 13172787 @ Time 2010-01-28 11:53:43
a4da3e6d-4b55-4cf4-a1f3-1fceb8514412 @ USN 15286378 @ Time 2010-04-09 19:53:39
091c93ae-3c99-442c-bce9-6b6bad3e1d6c @ USN 2940940 @ Time 2011-02-14 09:56:26
1b54a596-77d7-414a-bf20-709f3dbf2d45 @ USN 4662294838 @ Time 2012-12-24 09:27:4
553d0e91-f932-4970-b1fd-e5d0d48350c8 @ USN 4334761672 @ Time 2012-12-24 10:24:1
HaErBin\HEBSTOR @ USN 47091899 @ Time 2013-01-08 17:16:47
IDC\ZPDC2 @ USN 65279 @ Time 2013-01-28 08:48:56
HaErBin\HEBDC @ USN 48030377 @ Time 2013-01-28 08:58:57
TianJin\TJDC @ USN 25455262 @ Time 2013-01-28 08:58:57
IDC\ZPDC1 @ USN 67182 @ Time 2013-01-28 08:58:57
ShiJiaZhuang\SJZDC @ USN 83399140 @ Time 2013-01-28 08:58:57
SMSSite\BJDC2 @ USN 124005415 @ Time 2013-01-28 11:01:30
SMSSite\BJDC1 @ USN 175404446 @ Time 2013-01-28 11:47:38
C:\Windows\system32>repadmin /showvector /latency CN=Schema,CN=Configuration,DC=
zhaopin,DC=com,DC=cn
正在缓存 GUID。
..
7e078c9c-0d51-4e52-ab85-7a9cbe59f07e @ USN 335602 @ Time 2008-04-15 14:35:54
3fc32867-e7aa-4a92-9332-bd2ce6929ef2 @ USN 5703748 @ Time 2009-01-09 18:09:52
bf1eb13d-7073-4882-8b6b-002ac4d2993d @ USN 11877406 @ Time 2009-11-05 17:11:36
fe1aad4f-bdb3-4614-96e7-139c3d158a0f @ USN 13172809 @ Time 2010-01-28 12:07:47
a4da3e6d-4b55-4cf4-a1f3-1fceb8514412 @ USN 15286378 @ Time 2010-04-09 19:53:38
091c93ae-3c99-442c-bce9-6b6bad3e1d6c @ USN 2940940 @ Time 2011-02-14 09:55:32
1b54a596-77d7-414a-bf20-709f3dbf2d45 @ USN 4662294829 @ Time 2012-12-24 09:27:48
553d0e91-f932-4970-b1fd-e5d0d48350c8 @ USN 4334761661 @ Time 2012-12-24 10:24:11
HaErBin\HEBSTOR @ USN 47083195 @ Time 2013-01-08 08:53:11
IDC\ZPDC2 @ USN 65075 @ Time 2013-01-28 08:48:22
HaErBin\HEBDC @ USN 48030372 @ Time 2013-01-28 08:58:57
TianJin\TJDC @ USN 25455262 @ Time 2013-01-28 08:58:57
IDC\ZPDC1 @ USN 67182 @ Time 2013-01-28 08:58:57
ShiJiaZhuang\SJZDC @ USN 83399108 @ Time 2013-01-28 08:58:57
SMSSite\BJDC2 @ USN 123982949 @ Time 2013-01-28 10:58:55
SMSSite\BJDC1 @ USN 175414458 @ Time 2013-01-28 11:48:50
C:\Windows\system32>repadmin /showvector /latency CN=Configuration,DC=zhaopin,D
=com,DC=cn
正在缓存 GUID。
..
7e078c9c-0d51-4e52-ab85-7a9cbe59f07e @ USN 335602 @ Time 2008-04-15 14:35:55
3fc32867-e7aa-4a92-9332-bd2ce6929ef2 @ USN 5703748 @ Time 2009-01-09 18:09:52
bf1eb13d-7073-4882-8b6b-002ac4d2993d @ USN 11877406 @ Time 2009-11-05 17:11:35
fe1aad4f-bdb3-4614-96e7-139c3d158a0f @ USN 13172808 @ Time 2010-01-28 12:07:47
a4da3e6d-4b55-4cf4-a1f3-1fceb8514412 @ USN 15286378 @ Time 2010-04-09 19:53:38
091c93ae-3c99-442c-bce9-6b6bad3e1d6c @ USN 2940940 @ Time 2011-02-14 09:55:31
1b54a596-77d7-414a-bf20-709f3dbf2d45 @ USN 4662294829 @ Time 2012-12-24 09:27:4
553d0e91-f932-4970-b1fd-e5d0d48350c8 @ USN 4334761661 @ Time 2012-12-24 10:24:1
HaErBin\HEBSTOR @ USN 47083195 @ Time 2013-01-08 08:53:11
IDC\ZPDC2 @ USN 65075 @ Time 2013-01-28 08:48:22
HaErBin\HEBDC @ USN 48030363 @ Time 2013-01-28 08:58:56
TianJin\TJDC @ USN 25455262 @ Time 2013-01-28 08:58:56
ShiJiaZhuang\SJZDC @ USN 83399093 @ Time 2013-01-28 08:58:57
IDC\ZPDC1 @ USN 67182 @ Time 2013-01-28 08:58:57
SMSSite\BJDC2 @ USN 124291646 @ Time 2013-01-28 11:41:35
SMSSite\BJDC1 @ USN 175419761 @ Time 2013-01-28 11:49:24
C:\Windows\system32>repadmin /showvector /latency DC=zhaopin,DC=com,DC=cn
正在缓存 GUID。
..
7e078c9c-0d51-4e52-ab85-7a9cbe59f07e @ USN 335602 @ Time 2008-04-15 14:35:56
3fc32867-e7aa-4a92-9332-bd2ce6929ef2 @ USN 5703748 @ Time 2009-01-09 18:09:52
bf1eb13d-7073-4882-8b6b-002ac4d2993d @ USN 11877406 @ Time 2009-11-05 17:11:36
fe1aad4f-bdb3-4614-96e7-139c3d158a0f @ USN 13172775 @ Time 2010-01-28 11:53:38
a4da3e6d-4b55-4cf4-a1f3-1fceb8514412 @ USN 15286398 @ Time 2010-04-09 19:55:21
091c93ae-3c99-442c-bce9-6b6bad3e1d6c @ USN 2940940 @ Time 2011-02-14 09:55:32
1b54a596-77d7-414a-bf20-709f3dbf2d45 @ USN 4662294847 @ Time 2012-12-24 09:27:58
553d0e91-f932-4970-b1fd-e5d0d48350c8 @ USN 4334761681 @ Time 2012-12-24 10:24:21
HaErBin\HEBSTOR @ USN 47095846 @ Time 2013-01-08 17:30:01
IDC\ZPDC2 @ USN 65278 @ Time 2013-01-28 08:48:52
HaErBin\HEBDC @ USN 48030349 @ Time 2013-01-28 08:58:55
TianJin\TJDC @ USN 25455262 @ Time 2013-01-28 08:58:57
IDC\ZPDC1 @ USN 67182 @ Time 2013-01-28 08:58:57
ShiJiaZhuang\SJZDC @ USN 83399117 @ Time 2013-01-28 08:58:57
SMSSite\BJDC2 @ USN 124370661 @ Time 2013-01-28 11:49:56
SMSSite\BJDC1 @ USN 175425485 @ Time 2013-01-28 11:50:07
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Please help my about this case.
Thank you in advanced.
BR
Guo YingHui