Symptoms

When you install Cumulative Update (CU) for Microsoft BizTalk Server 2016, the installation fails because FeaturePackChecker.exe crashes if any unrelated .msi file is missing or corrupted.

Cause

Microsoft BizTalk Server CU installer needs to identify whether the given machine has classic installation of the product or Feature Pack. In order to do that, a component of the installer which name is FeaturePackChecker, enumerates Windows Installer entries (known as MSI) on a given machine and reads MSI file information to identify if Feature Pack is installed. When any MSI on the machine is missing or corrupted, an unhandled exception causes the crash.

Status

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

Resolution

This problem is fixed in the following cumulative update for BizTalk Server:

Workaround

To work around this issue, use one of the following methods:

  • Replace back the cached Windows installer .msi files that were deleted.

  • Reinstall missing .msi files.

References

For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:

2555976 Service pack and cumulative update list for BizTalk Server

For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:

2003907 Information about BizTalk hotfixes and Cumulative Update support

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