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当我尝试连接到 Quickbooks 时出现错误 -2147220472。该应用程序由 Windows 服务执行。日志文件如下:
I 8788 RequestProcessor ========= Started Connection =========
I 8788 RequestProcessor Request Processor, QBXMLRP2 v12.0
I 8788 RequestProcessor Connection opened by app named 'QBWatcher'
I 8788 RequestProcessor OS: Microsoft Professional (build 9200), 64-bit
I 8788 RequestProcessor Current Process is elevated
I 8788 RequestProcessor Current User is in AdminGroup
I 8788 RequestProcessor Current Process is ran as Admin
I 8788 RequestProcessor Current Process Integrity Level : 3000
I 8788 RequestProcessor Previous instance of QB is going down..! Wait and retry to get a new instance.
I 8788 RequestProcessor Previous instance of QB is going down..! Wait and retry to get a new instance.
I 8788 RequestProcessor Previous instance of QB is going down..! Wait and retry to get a new instance.
I 8788 RequestProcessor Previous instance of QB is going down..! Wait and retry to get a new instance.
I 8788 RequestProcessor Previous instance of QB is going down..! Wait and retry to get a new instance.
E 8788 RequestProcessor Could not find or create an instance of QuickBooks using InstanceFinder
I 8788 RequestProcessor Connection closed by app named 'QBWatcher'
I 8788 RequestProcessor ========== Ended Connection ==========
I 8788 CertVerifier The file does not contain an Authenticode signature.
这有时确实有效，但我看不到模式。可能是什么原因造成的？
简而言之，用于连接的代码如下:
qbxmlConn.OpenConnection2(filename, "QBWatcher", QBXMLRP2Lib.QBXMLRPConnectionType.localQBD);
QBXMLRP2Lib.IAuthPreferences qbAuthPrefs = qbxmlConn.AuthPreferences;
qbAuthPrefs.PutPersonalDataPref(QBXMLRP2Lib.QBXMLRPPersonalDataPrefType.pdpNotNeeded);
qbAuthPrefs.PutUnattendedModePref(QBXMLRP2Lib.QBXMLRPUnattendedModePrefType.umpOptional);
ticket = qbxmlConn.BeginSession(filename, QBXMLRP2Lib.QBFileMode.qbFileOpenDoNotCare);