There are at least two Recipient Update Services in an Exchange organization, the Enterprise RUS and the Domain RUS (one per domain). Paul is a Microsoft MVP for Office Servers and Services. Navigate to CN=Configuration/CN=Services/CN=Microsoft Exchange/CN=First Organization/CN=Address Lists Container/CN=Recipient Update Services.
Exchange Server 2003 installs two instances of Recipient Update Service: For each particular domain in a forest, Recipient Update Service associates one Exchange Server 2003 computer (on which Recipient Update Service runs) with one domain controller (on which the directory objects are updated).
Only one Recipient Update Service can be associated with any directory server at any given time.
For more information about the tool or to download the latest versions, see "Microsoft Exchange Analyzers" at
linkid=34707.] The Microsoft® Exchange Server Analyzer Tool queries the Active Directory® directory service to determine whether values exist for the gateway Proxy attribute of any Recipient Update Service object in Active Directory.
If the Exchange Server Analyzer finds values set for the gateway Proxy attribute of any Recipient Update Service object, a warning is displayed.
This warning indicates that the gateway Proxy attribute of a Recipient Update Service object contains old data that was not fully processed. Old data from the gateway Proxy attribute must be removed; otherwise, these addresses will be in an 'applied' state.Analysis: You checked the Exchange log (Exchange Setup.log).It showed: Error ONE: [2/16/2015 AM]  [ERROR] Unexpected Error [2/16/2015 AM]  [ERROR] The operation could not be performed because object ‘exchserver01’ could not be found on domain controller ‘adserver01.domain.com’. [2/16/2015 AM]  [ERROR] The Windows Firewall service must be started before Setup can continue.He works as a consultant, writer, and trainer specializing in Office 365 and Exchange Server.Paul is a co-author of Office 365 for IT Pros and several other books, and is also a Pluralsight author.Perform the following steps to delete the Recipient Update Service (Enterprise Configuration) by using ADSI Edit (Adsi Edit.msc): This entry was posted on Sunday, February 15th, 2015 at pm and is filed under Exchange Server.