Any future update to the product such as a hotfix, a cumulative update, or a service pack setup, relies on the information in the files that are stored in the Windows Installer cache. Without this information, the new update cannot perform the required transformations.
Manual intervention by users in this directory may result in variety of issues, including the problems that are described in this article. For SQL Server installation, first use the repair process that's described in the following articles to verify your current installation:. You should run the repair from the original installation media by using the following command line:. Repair the common shared components and features first, and then repeat the command to repair the instances installed.
During the process, the setup dialog box disappears. As long as the progress window does not show an error, the process is proceeding as expected. If the installer cache file for a specific component is missing, the repair process will encounter an error. As an extra resolution, you can point the tool to the original media location and re-cache the missing files. This script is used against the source locations to make sure that all MSP packages are in the Windows Installer cache directory.
After executing the commands indicated in the Action needed lines in the script output file, the missing packages will be re-added if the original source media is available. Open the file from step 2 in a text editor such as Notepad, and identify the problems that cause the failure.
To do this, search the text file for string patterns such as the following:. Look for more information about these steps in the Examples section. Repeat steps 2 through 4 until the text file that is created in step 2 no longer contains text that references invalid paths or missing files for the component that is being updated.
The following examples are entries and explanations of actions that are outlined in the output file that is generated when you run the FindSQLInstalls. The following is an example of the output that is generated when you are missing an. The Action needed line shows you the full path that must exist in order to update missing files for the original installation media:. The following section of the output advises you of actions that are required to resolve the missing files:.
Missing patches may result in entries that resemble those in Example 1. If the installer cache file for a specific component is missing, then repair process will encounter an error.
These problems may occur when the Windows Installer database file. When a product is installed by using Windows Installer, a stripped version of the original.
Every update to the product such as a hotfix, a cumulative update, or a service pack setup, also stores the relevant. Any future update to the product such as a hotfix, a cumulative update, or a service pack setup, relies on the information in the files that are stored in the Windows Installer cache. Without this information, the new update cannot perform the required transformations. As an additional step you can point the tool to the original media locations and recache the missing files.
This script is used against the source locations to make sure that all MSP packages are in the Windows Installer cache directory. After executing the commands indicated in the Action needed lines in the script output file, the missing packages will be re-added if the original source media is available. Select all of the contents on this page, copy, and paste it to a text file. Open the file from step 2 in a text editor such as Notepad, and identify the problems that are causing the failure.
To do this, search the text file for string patterns such as the following:. Repeat steps 2 through 4 until the text file that is created in step 2 no longer contains text that references invalid paths or missing files for the component that is being updated.
The following examples are entries and explanations of actions that are outlined in the output file that is generated when you run the FindSQLInstalls. The following is an example of the output that is generated when you are missing an. The Action needed line shows you the full path that must exist in order to update missing files for the original installation media:.
The following section of the output advises you of actions that are required to resolve the missing files:. Missing patches may result in entries that resemble those in Example 1. This command forces the executable to extract the files to the previous missing location, and this re-creates the structure that is required to update the Windows installer cache with any missing files.
The actual location will vary, and a single patch such as a service pack may have to be extracted to multiple locations. Each installed product includes a section that contains the following information for Patches Installed:. Elevation was always required for per-machine installations, but administrator accounts already ran with full privileged tokens so elevation was implicit.
To resolve this issue, Windows Installer 5. Installation developers should take this into account since Windows Installer already may require so much disk space and compress files if necessary in external cabinets.
Consider your servicing scenarios carefully and determine if you should cache the installation source yourself using the Source List APIs like MsiSourceListAddSource provided by Windows Installer, or just let Windows Installer use its default source resiliency behavior.
Comments are closed. If application files are missing from the Windows Installer Cache, ask the vendor or support team for the application about the missing files. You must follow the procedures or steps recommended by the application vendor to restore the files. In some cases, you may have to rebuild the operating system and reinstall the application to fix the problem. Windows support engineers cannot help you recover missing application files from the Windows Installer cache.
If the missing installer cache files are Microsoft Office or SharePoint files, follow the instructions in the following topics on the Microsoft website:.
Utility for Office patch maintenance tasks "log, repair, apply, remove, clean". Some third-party entities claim to be able to rebuild or repair the Windows Installer cache. For legal and supportability reasons, we cannot recommend or endorse any of these entities. If you use such third-party products and recommendations, you do this at your own risk.
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