Event ID - 8230

Event Id	8230
Source	Microsoft-Windows-IDMU-ServerForNIS
Description	Prefetch of User and Netid maps to cache failed.
Event Information	According to Microsoft : Cause : This event is logged when prefetch of User and Netid maps to cache failed. Resolution : Make sure that Server for NIS configuration is present in AD Server for NIS is unable to start. Initial copying of User and Netid maps to the Server for NIS cache failed. It is possible that configuration information is missing from Active Directory® Domain Services. Try running niscnfg.exe, typically found in the directory %windir%\idmu\setup\niscnfg.exe, to restore the Server for NIS configuration in Active Directory Domain Services. To run niscnfg.exe: Open a Command Prompt window. Click Start , type cmd in the Start Search text box, and then press Enter . Change to the directory %windir%\idmu\setup by typing the following, and then pressing Enter . cd%windir%\idmu\setup Type niscnfg.exe , and then press Enter . When the prompt returns, the utility has completed its restoration. Verify : Open the Services MMC and verify that Server for NIS is operational. If the Server for NIS service properties show that the service is not running, errors are preventing Server for NIS from operating normally. To verify that Server for NIS is running Click Start , point to Administrative Tools , and then click Services . In the Results pane of the Services MMC, double-click Server for NIS . In the Service status area of the Server for NIS Properties dialog box, verify that the Server for NIS service shows as Started. Use the ypcat command on a client computer in the domain on which the error was generated to verify that the Server for NIS service is available. To use the ypcat command to verify Server for NIS service availability: On a client computer in the domain on which the error was generated, open a Windows Command Prompt with elevated privileges. To do this, right click Command Prompt on the Start menu, and then click Run as administrator . Type the following command, and then press Enter: ypcat -h NISServer- d Domain Mapname. NISServer represents the name of the server on which you want to verify that the Server for NIS Service is available. Domain represents the domain name on which you want to verify that the Server for NIS service is available. Mapname represents the name or nickname of a specific NIS map that the server on which you want to verify Server for NIS availability is expected to update. If you are prompted to provide the domain administrator account name and password, type the account name and password, and then press Enter . The ypcat Windows command-line utility prints the values of all keys from the NIS database specified by Mapname, which can be a map name or a map nickname. If the ypcat utility returns a list of key values for the maps you specified, the Server for NIS service is available.
Reference Links	Event ID 8230 from Microsoft-Windows-IDMU-ServerForNIS

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