Time: 6/19/2017 4:59:07 PM Source: DAL_ZeksClient Message: The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine. Stack Trace: at BLL_ZEKSClient.DBSynchronizer.DownLoadFile(String strHost, String strDatabaseFileName, String strDownLoadPath, String strUser, String strPass, DateTime dtUpdateDate) at ZEKSProClient_UAT.MainWindow.RunSynchronizer() Time: 6/19/2017 4:59:07 PM Source: BLL_ZEKSClient Message: The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine. Stack Trace: at BLL_ZEKSClient.BLL_ZEKS.FillCategoryListBox(String strConnectionString) at ZEKSProClient_UAT.Quotation.FillCategoryListBox() Time: 6/19/2017 4:59:45 PM Source: System.DirectoryServices.AccountManagement Message: The server could not be contacted. Stack Trace: at System.DirectoryServices.AccountManagement.PrincipalContext.ReadServerConfig(String serverName, ServerProperties& properties) at System.DirectoryServices.AccountManagement.PrincipalContext.DoServerVerifyAndPropRetrieval() at System.DirectoryServices.AccountManagement.PrincipalContext..ctor(ContextType contextType, String name, String container, ContextOptions options, String userName, String password) at System.DirectoryServices.AccountManagement.PrincipalContext..ctor(ContextType contextType) at ZEKSProClient_UAT.MainWindow.GetLoggedInUserName()