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タイトル
Active Roles (ARS) connector fails to connect after installing KB4056890 (Windows Server 2016) , KB4056898 (Windows Server 2012 R2) or KB4056899 (Windows 2012) -
説明
After installing KB4056890 (Windows Server 2016) , KB4056898 (Windows Server 2012 R2) or KB4056899 (Windows 2012) where IT Security Search is installed, the ARS connector fails with the following error:
"Connection error: Data attendant last error 'Request GET to http://localhost:8087/warehouse/activeroles/events?count=1&rel=striequ(AR_Server%2c"server.domain.com")%3b returned an error [InternalServerError] - Internal Server Error.'"
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原因
Known issue described in the following Microsoft article:
https://support.microsoft.com/en-us/help/4056891/windows-10-update-kb4056891
"When calling CoInitializeSecurity, the call will fail if passing RPC_C_IMP_LEVEL_NONE under certain conditions.
When calling CoInitializeSecurity, the call may fail when passing RPC_C_AUTHN_LEVEL_NONE as the authentication level. The error returned on failure is STATUS_BAD_IMPERSONATION_LEVEL." -
対策
Depending on the IT Security Search and Active Roles server Operating System version, install the relevant Microsoft update on the respective machines (both on the IT Search server and ARS server):Windows 2016Windows 2012 R2
Windows 2012
The updates above address the issue originally introduced where calling CoInitializeSecurity with the authentication parameter set to RPC_C_AUTHN_LEVEL_NONE resulted in the error STATUS_BAD_IMPERSONATION_LEVEL.