NSPI Proxy cannot contact any Global Catalog that supports the NSPI Service.New clients will be refused until a Global Catalog is available.After a Domain Controller is promoted to a Global Catalog, it must be rebooted to support MAPI Clients.

Details
Product: Exchange
Event ID: 9057
Source: CDOEXM
Version: 6.5.6940.0
Component: CDO for Exchange Management
Message: NSPI Proxy cannot contact any Global Catalog that supports the NSPI Service.New clients will be refused until a Global Catalog is available.After a Domain Controller is promoted to a Global Catalog, it must be rebooted to support MAPI Clients.
   
Explanation

This event indicates that the Name Service Provider Interface (NSPI) Proxy cannot contact any global catalogs that support the NSPI Service. New clients will be refused until a global catalog is available. A domain controller that was recently promoted to a global catalog may not have been restarted. A global catalog must be restarted in order for the NSPI interface to be available.

   
User Action

Check the general health of the global catalog servers. If you have recently promoted a domain controller to global catalog, remember that it must be rebooted in order to support MAPI clients.

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