Troubleshoot: Client Calls to DCOM "Server Failed With :A security package specific error occurred. (Exception from HRESULT: 0x80070721)."

Customer has an web application, which needs to call a remote DCOM server. However the web application intermittently got this error message;“A security package specific error occurred. (Exception from HRESULT: 0x80070721).” Before moving forward, we need to check if the environment hits below known issues: A COM+ application may stop working on Windows Server 2008…

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