Exchange services do not start, and event IDs 2114 and 2112 are logged in the Application log in Exchange Server 2003 or in Exchange 2000 Server

Após instalar no domínio com DCs 2003 R2 com Exchange 2010 RTM e Exchange 2003 SP2 dois DCs 2008 R2 e remover os DCs 2003 R2 (o nível funcional continuou 2003) o Exchange 2010 não conseguia mais contactar os DCs e o serviço System Attendant do Exchange 2003 não conseguia iniciar, apresentando os seguintes erros no event viewer:

Event ID : 2114
Event Category : Topology
Event Source : MSExchangeDSAccess

Event ID : 2112
Event Category : Topology
Event Source : MSExchangeDSAccess

Solução para o Exchange 2010:

If you receive the error “An error caused a change in the current set of domain controllers” in Exchange 2010 the simple fix is to run the “Collect Organizational Health Data” option from the actions plane.

http://www.itgeek.co.nz/post/An-error-caused-a-change-in-the-current-set-of-domain-controllerse280a6.aspx

Solução para o Exchange 2003:

a. Start the Active Directory Users and Computers snap-in.

b. Right-click the Domain Controllers container, and then click Properties.

c. Click the Group Policy tab, click Default Domain Controllers Policy in the Group Policy Object Links box, and then click Edit.

d. Expand Computer Configuration, expand Windows Settings, expand Security Settings, expand Local Policies, and then click User Rights Assignment.

e. In the right pane, double-click Manage auditing and security log, click Add, click Browse, and then add the Exchange Enterprise Servers group.

f. In the Add user or group dialog box, click OK, and then click OK again.

g. Exit the Group Policy snap-in, and then click OK in the Domain Controllers Properties dialog box.

h. Restart the Exchange server.

http://support.microsoft.com/?scid=kb;en-us;919089&x=2&y=12