Microsoft KB Archive/289212

= &quot;Schema Mismatch&quot; and &quot;Incompatible Partial Set&quot; Error Messages Appear =

Article ID: 289212

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 1

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This article was previously published under Q289212



SYMPTOMS
When you install a program that extends the Active Directory schema, for example Microsoft Exchange Server, after a time the following error messages may appear:

Schema mismatch

Incompatible partial set



CAUSE
This behavior can occur when Exchange Server extends the schema again to include a new attribute in the partial attribute set and forces full synchronizations of large sites and domains. After several days, replication may not have correctly synched. The periodic synchronization load can be exorbitant for the following reasons:
 * Replication intervals are too low for the number of sites and domains, preventing other inbound replications
 * There are many route-around connections due to &quot;schema mismatch&quot; failures on links that had not been retried since the schema was extended



RESOLUTION
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 the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Microsoft Windows 2000.

This problem was first corrected in Windows 2000 Service Pack 2.

Keywords: kbbug kbfix kbwin2000presp2fix KB289212

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