© 2009 Microsoft Corporation. All rights reserved.
Issue:
When a user installs the downloaded .msi file UCMASDKWebDownload.msi in a path that contains a double-byte character set (for example, %Systemdrive%\UCMA??\) and then clicks SetupUCMASdk.exe from that path, no Install button appears in the setup wizard to install the SDK.
Resolution:
Use the default installation location or a location without double-byte characters to install the downloaded .msi file.
Issue:
If you experience unusually high CPU usage or an increase in usage over time, profile the application to find out where the process time is spent. If significant time is spent in lock contention methods inside the CLR thread pool, you are likely experiencing a known issue in the CLR thread pool in .NET Framework 3.5 with SP1.
An alternative method for finding out whether you are experiencing this issue is to connect the debugger to the process (or load a dump of the process into the debugger) and run the "!threadpool" command (from sos.dll extension dll). If the queue length is very low (0, 1, or 2), but the total number of worker threads is equal or very close to the maximum limit of worker threads, then you are very likely experiencing this issue.
Resolution: Limit the maximum number of worker threads in the thread pool by calling ThreadPool.SetMaxThreads(). The number used should reflect the application's needs, and can vary from application to application.
Issue: At run time, the error message "An application has made an attempt to load the C runtime library incorrectly" occurs when executing a Communications Workflow application.
Resolution:
Install the update available at http://code.msdn.microsoft.com/KB960109 to stop the message from occurring, or click OK to ignore the message. The application should work as expected if you click Ok to ignore it.
Issue: When you develop code-separated workflows, newly added activities may not appear in IntelliSense when you write rules in Rule Editor.
Resolution:
Close the Rule Set Editor dialog box or the Rule Condition Editor dialog box, save the Windows Workflow project, and then try to set the rule set or the rule condition again. For more details see http://support.microsoft.com/kb/927126.
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