Monthly Archives: December 2010

SQL Browser Setup

When trying to connect to the SQL server from a remote workstation, the server may not be visible or it may appear that the workstation is unable to connect. Before making any changes to the server, the connection from the … Continue reading

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Web Application Monitor

The Web Application Monitor is a service that monitors the status Visual DataFlex WebApplication service. If the WebApplication service status becomes unavailable, the Web Application Monitor can process a number of events as defined in the XML settings file. The … Continue reading

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Terminal Server

Terminal Server is a Microsoft technology used to allow users to log into a server, rather than through a traditional client. Visit the Microsoft website for information on Terminal Services. PC School does work with Terminal Server, and below are … Continue reading

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Web.config

The web.config file is a configuration file for the Spider .Net application. It is found in the root of the PCSchoolSpider virtual directory, typically c:\inetpub\wwwroot\PCSchoolSpider. This file is a text file and may be opened and edited with notepad. It … Continue reading

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Filelist not where it’s expected to be

Filelist not where it’s expected to be is a common error in PC School, especially after installing a new workstation or performing a server migration. This error suggests that the filelist.cfg mentioned in the pcschool.ws filelistpath value can’t be located. … Continue reading

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Invalid sql_drv.cfg File

When running PC School with SQL, you can log in, but then get a “User Count Exceed” or “Registration Expired Error”. The problem is not related to User Counting, or to expired licenses. This is a problem where the sql_drv.cfg … Continue reading

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eTrust Anti-Virus Settings

Unable to Open Output file Some schools have encountered a problem while doing a PC School internal Backup and/or Data Import/Export where an error message appears relating to Unable to Open Output file. This problems is related to not being … Continue reading

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Unable to Open Lock File

When running PC School (usually on a new PC) the error Unable to open Lock File can sometimes be seen. This is due to a Dataflex Registration error. The problem is usually one of the following: A corrupt or missing … Continue reading

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Unable to query Configuration Information

The message Unable to Query Configuration Information is usually related to permissions on the Visual Dataflex Web Application Service. In particular the user associated with this service can’t access the correct registry settings. The most likely cause of this problem … Continue reading

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Corrupt SSUsers Record

When a corrupt record occurs in the SSUsers file, usually User 0 with a blank name value, PC School will not start when Autolog is turned off. No error is reported, the cursor turns to an hourglass momentarily but PC … Continue reading

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