When you use the Vcbuild.exe command-line tool to build a Microsoft Visual C++ solution, you receive the following error messages:
error LNK2001: unresolved external symbol Symbol Name
fatal error LNK1120: x unresolved externals
Note This problem does not occur when you use the Microsoft Visual Studio IDE to build the solution.
This problem occurs when all the following conditions are true:
The solution is dependant on one or more static library projects.
One or more of the required static library projects is in turn dependant on one or more additional static library projects.
Not all the static library projects are passed as link arguments in the Vcbuild.exe command-line tool.
Under these conditions, the Vcbuild.exe command-line tool cannot resolve the references to all the static library projects.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Visual Studio 2005 service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates