| Event Id | 1025 |
| Source | MSExchange EdgeSync |
| Description | Topology load generated exception %1. EdgeSync must be able to acquire current Exchange topology data from the Active Directory directory service to properly operate. Check network connectivity and test the health of the domain controller. |
| Event Information | According to Microsoft: Cause : This Warning event indicates that an exception occurred when the computer that is running the Hub Transport server role tried to load the Exchange topology configuration data. EdgeSync must be able to acquire current Exchange topology data from Active Directory to correctly operate. This event may be logged when a Hub Transport server tries to discover the Exchange topology data from Active Directory. The exception specified in the event description provides more information about this failure. This event may be logged in the following circumstances: 1.If there are network connectivity issues between the Hub Transport server and a domain controller. For example, a cable may be damaged, or a computer may be experiencing high volume of network traffic. 2.If a domain controller is not correctly functioning. Resolution : To resolve this warning, do one or more of the following: 1.Check network connectivity between the Hub Transport server and Active Directory. Use Ping to isolate network hardware problems and incompatible configurations. UsePathPing to detect packet loss over multiple-hop trips. 2.Run theDcdiag command line tool to test the domain controller health. To do this, run dcdiag /s: 3.Review the Application log for MSExchangeADAccess and MSExchange Topology events that could provide more information about the root cause of this event |
| Reference Links | Event ID 1025 from Source MSExchange EdgeSync |
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