This event is generated when a DSA fails to create, modify, or delete a shadowing agreement. The event provides the following information: - One of the following Shadowing Agreement Problems: - Communications Problem - DOP error received - DOP error sent - The name of the naming context to which the agreement applies - Whether this DSA is consumer of supplier DSA - The access point of the other DSA that the agreement applies to - If the Shadowing Agreement Problem was a Communications Problem, a diagnostic message is provided, and one of the following reasons; - Fatal Interface Error - Insufficient Resources - Network Unavailable - Address Already In Use - Invalid AEI - Transport Error - System Error - Invalid Transport Template - Unknown Error - ACSE User Reject - If the Shadowing Agreement Problem was either DOP error received or DOP error sent, one of the following reasons; - Invalid ID - Duplicate ID - Unsupported Binding Type - Not Allowed For Role - Parameter Missing - Role Assignment - Invalid Start Time - Invalid End Time - Invalid Agreement - Currently Not Decidable - Modification Not Allowed - The identifier of the agreement that was not updated. Most of the DOP problems are self correcting. For example, the Duplicate ID problem leads to the proposal of a different agreement identifier. The Invalid Agreement and the Currently Not Decidable problems may require manual intervention. See HP Enterprise Directory - Problem Solving for details of how to handle those problems.