Symptoms

Consider the following scenario:

  • You have an application that contains many libraries in Microsoft Visual Studio 2010.

  • You build the project, and more than 2048 program database (PDB) files are generated.

  • You try to debug the application.

In this scenario, Visual Studio 2010 loads only 2048 of the PDB files. Additionally, you receive the following error message in the Output window:

Cannot find or open the PDB file.

Note Performance issues may also occur if an application contains many libraries and Visual Studio 2010 loads all the PDB files when you debug the application.

Resolution

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, 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 website:

http://support.microsoft.com/contactus/?ws=supportNote 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.

Prerequisites

To apply this hotfix, you must have Microsoft Visual Studio 2010 Service Pack 1 (SP1) installed.

Restart requirement

You do not have to restart the computer after you install the hotfix if the affected files are not being used at the time of installation. We recommend that you close all Visual Studio 2010-related components before you install the hotfix.

The global 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.

File name

File version

File size

Date

Time

Platform

Msdia100.dll

10.0.40219.453

992,920

21-Jun-2013

21:18

x64

Msdia100.dll

10.0.40219.453

801,944

22-Jun-2013

05:31

x86

Mspdb100.dll

10.0.40219.453

242,328

22-Jun-2013

09:24

x86

Mspdb100.dll

10.0.40219.453

259,736

23-Jun-2013

17:04

x64

Mspdb100.dll

10.0.40219.453

343,184

23-Jun-2013

17:04

x86

Mspdb100.dll

10.0.40219.453

462,480

23-Jun-2013

17:04

x64

Mspdbcore.dll

10.0.40219.453

366,744

22-Jun-2013

09:24

x86

Mspdbcore.dll

10.0.40219.453

490,648

23-Jun-2013

17:04

x64

Mspdbsrv.exe

10.0.40219.453

116,888

22-Jun-2013

09:24

x86

Mspdbsrv.exe

10.0.40219.453

158,360

23-Jun-2013

17:04

x64



Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Workaround

To work around this issue, only load PDB files for specified modules. For more information about how to load PDB files for specified modules, go to the following MSDN website:

How to specify symbol locations and loading behavior

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