| Event Id | 9143 |
| Source | CDOEXM |
| Description | Referral Interface cannot contact any Global Catalog that supports the NSPI Service.Clients making RFR requests will fail to connect until a Global Catalog becomes available again.After a Domain Controller is promoted to a Global Catalog, it must be rebooted to support MAPI Clients. |
| Event Information | According to Microsoft: Explanation : This event indicates that the Referral Interface on the Exchange server was unable to contact a global catalog server. User Action : Make sure that at least one global catalog server is available for the Exchange server to communicate with. If a domain controller has recently been promoted to be a global catalog, you will need to reboot that machine in order for Exchange server to use it. |
| Reference Links | Event id 9143 from source CDOEXM |
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