The Administrator console fails to load and reports a WBEM error

MMCAdminUI WBEM Error: (Error executing query (T_WbemSyncQueryToContainer))

Error : WBEM_E_FAILED Operation: ExecQuery ParameterInfo: select SiteCode, SiteName from SMS_Site where ReportingSiteCode="" Error Description: SQL Err>> #10025 Sev 9: Possible network error: Write to SQL Server Failed. ConnectionWrite (GetOverLappedResult()). NEXT: SQL Err>> #10005 Sev 1: DBPROCESS is dead or not enabled. (null)

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Info(ConnectServer): Connecting to server.
Network : \\SMS2003L116\root\sms\site_RA1
Wbem call failed: T_WbemSyncEnumToContainer_Core,
return code: -2147217407
Wbem call failed: T_WbemSyncEnumToContainer_Core,
return code: -2147217407 Query select SiteCode,
SiteName, ServerName, BuildNumber from SMS_Site where ReportingSiteCode="" fails or returns empty resultset. Query select * from SMS_Identification also fails or returns empty resultset SiteCode - SiteServerName , Provider Version : 2.50.3174.1003 SiteBuildNumber is 1239 Failed to set the connection.
error code: -2147217407