Replication Stops After Active Directory Schema Update

This article was previously published under Q307219
This article has been archived. It is offered "as is" and will no longer be updated.
After you update the Active Directory schema in a Windows 2000 forest, replication between domain controllers stops while the indexes are rebuilt and the schema cache is updated.

In a large Active Directory forest, this delay may be significant. The domain controllers may not be able to restart the replication process for several hours.
This behavior occurs because the schema cache update and the reindexing process are synchronous operations. Synchronous operations require precise timing and a fixed timing signal. This timing requirement can stop nearly all other processor activities until the operation is complete.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
The English-language version of this fix should have the following file attributes or later:
   Date          Version         Size      File name        -----------------------------------------------------------   06-Sep-2001   5.0.2195.4301   507,152   Lsasrv.dll (56-bit)   09-Oct-2001   5.0.2195.4472   123,664   Adsldp.dll   09-Oct-2001   5.0.2195.4308   130,832   Adsldpc.dll   09-Oct-2001   5.0.2195.4016    62,736   Adsmsext.dll   09-Oct-2001   5.0.2195.4384   364,816   Advapi32.dll   09-Oct-2001   5.0.2195.4141   133,904   Dnsapi.dll   09-Oct-2001   5.0.2195.4379    91,408   Dnsrslvr.dll   09-Oct-2001   5.0.2195.4437   145,680   Kdcsvc.dll   04-Oct-2001   5.0.2195.4471   199,440   Kerberos.dll   04-Sep-2001   5.0.2195.4276    71,024   Ksecdd.sys   27-Sep-2001   5.0.2195.4411   511,248   Lsasrv.dll   06-Sep-2001   5.0.2195.4301    33,552   Lsass.exe   27-Sep-2001   5.0.2195.4285   114,448   Msv1_0.dll   09-Oct-2001   5.0.2195.4153   312,080   Netapi32.dll   09-Oct-2001   5.0.2195.4357   370,448   Netlogon.dll   09-Oct-2001   5.0.2195.4464   912,656   Ntdsa.dll   09-Oct-2001   5.0.2195.4433   387,856   Samsrv.dll   09-Oct-2001   5.0.2195.4117   111,376   Scecli.dll   09-Oct-2001   5.0.2195.4476   299,792   Scesrv.dll   09-Oct-2001   5.0.2195.4025    50,960   W32time.dll   01-Aug-2001   5.0.2195.4025    56,592   W32tm.exe   09-Oct-2001   5.0.2195.4433   125,712   Wldap32.dll				

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.
This fix changes the update behavior so that when a new indexed attribute is added, the domain controller with the fix installed on it does not search the whole database to create an empty index. This allows Active Directory replication to restart earlier.

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with a single restart, click the article number below to view the article in the Microsoft Knowledge Base:
296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot

Article ID: 307219 - Last Review: 10/24/2013 07:32:13 - Revision: 3.3

Microsoft Windows 2000 Service Pack 1, Microsoft Windows 2000 Service Pack 2, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Service Pack 1, Microsoft Windows 2000 Service Pack 2

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