出现错误-2147220472（无法启动 Quickbooks）[关闭]

Question

我在尝试连接到 Quickbooks 时收到错误 -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。这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);

Answer 1

这是这个问题的关键：

应用程序由 Windows 服务执行。

由于 QuickBooks 的工作方式，尝试从 Windows 服务连接到 QuickBooks（例如，一个在后台运行的小程序，而不是带有 GUI 的最终用户程序）永远不会可靠地工作。

QuickBooks 使用 GUI 消息泵为 SDK 提供动力 - 因此，如果没有可用的 GUI（例如，即使在没有用户登录计算机时也运行的 Windows 服务中），那么 SDK/API 将不会可用的。

很抱歉带来坏消息。 :-/

你能否让你的程序有一个简单的 GUI，并且只在用户登录时运行（如果他们需要离开计算机，则锁定屏幕）？