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Title
Target accounts are not mailbox-enabling. DSA log reports: "Two recipient policies with same ord -
Description
You are migrating to an Exchange 2007 environment. Target accounts are not mailbox-enabling. DSA log reports: "Two recipient policies with same order value found!" and "Error 0xe1000005. Internal DSA error"
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Cause
This is caused by two recipient policies in the target environment that have the same "priority" value. This value is stored in the msExchPolicyOrder attribute of the recipient policy.
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Resolution
Examine your target recipient policies. In some 2003/2007 environments, multiple policies may have been set up in ESM with a priority of "highest". This corresponds to a msExchPolicyOrder value of 0. When these policies are viewed using the Exchange Management Console in 2007, the priority is listed as 0, not "highest", as this setting is not available in 2007.
The priority/msExchPolicyOrder value of each recipient policy must be unique. Please re-assign the priorities as needed, and the DSA will successfully mailbox enable the accounts.
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Additional Information
Our directory sync agent must look up and use the recipient policies that are in the environment when mailbox enabling accounts. This is how we (like Exchange) determine which email addresses should be placed on which account. However, when there are two recipient policies with the same priority value, there is no way for the agent to determine which one should be used. Therefore, it throws an error message and does not mailbox enable the account. I believe that if you try to set two recipient policies to have the same priority in EMC or Powershell, Exchange will automatically reorder them to make them unique. If it were to ignore this error and simply choose one of the policies, accounts may get stamped incorrectly and it could potentially cause problems in the Exchange environment. That is why our product team cannot offer a workaround.