Hotfix install

The Get-Hotfix command uses parameters to get hotfixes installed on remote computers. The results are filtered by a specified description string. The ComputerName parameter includes a comma-separated string of remote computer names. The Credential parameter specifies a user account that has permission to access the remote computers and run commands.

The commands in this example verify whether a particular update installed. If the update isn't installed, the computer name is written to a text file.

An if statement uses the Get-Hotfix cmdlet with the Id parameter and a specific Id number for each computer name. If a computer doesn't have the specified hotfix Id installed, the Add-Content cmdlet writes the computer name to a file. Get-Hotfix sends the objects down the pipeline to the Sort-Object cmdlet. Sort-Object sorts objects by ascending order and uses the Property parameter to evaluate each InstalledOn date. The array notation [-1] selects the most recent installed hotfix.

Specifies a remote computer. When the ComputerName parameter isn't specified, Get-Hotfix runs on the local computer. If the hotfix is found, a Hotfix Details pop-up dialog box displays with a description of the hotfix, and a Download and Cancel button. This tables maintains a complete list of hotfixes downloaded to the appliance but not yet installed. A record of installed hotfixes is maintained in the Hotfix History section.

A high-level description of the hotfix that usually includes:. A short description of the problem that the hotfix addresses. A link to the official Release notes hosted on Websense.

A Save to network location link that opens a dialog that allows you to save the hotfix to a location on your network. States whether the hotfix is ready for installation or has a dependency on another hotfix that must be installed first. Includes the Install button to initiate installation, and a Delete button to remove the hotfix from the appliance prior to installation.

To uninstall and remove a hotfix, see the uninstall function that is accessed from the Hotfix History area. Use this button to upload a hotfix from the appliance to a location on your network. Copyright Forcepoint LLC. Critical updates and security patches are updates that Microsoft recommends for all customers. Note To determine when an update was created, view the Modified date on the Update.

To install a Windows product update on a single computer, run the product update program on the computer that you want to update. The following table identifies the command-line options or switches that the Update. The following code sample is a batch file that installs multiple product updates and makes sure that the correct files are replaced after the computer is restarted.

Note QChain. However, an issue exists in product updates that were released before December that may apply the wrong binary on your computer in some circumstances. In March , Microsoft released an updated version of QChain. For additional information about this issue or to obtain the updated Qchain.

Note To determine when a product update was created, check the Modified date on the Update. Microsoft has released a command-line tool that is named QChain. With QChain. When you chain updates, you install multiple updates without restarting the computer between each installation. Without this tool, the only supported method is to restart the computer after each update installation.

The QChain. It increases uptime for servers because computers are not being restarted between each update installation. For more information about this issue or to obtain the updated Qchain. When you install updates, if a file is locked or in use, it cannot be replaced. As a result, the file is placed in the Pending File Rename queue and is replaced after the computer restarts. The problem occurs in the following scenario:.

Both packages contain file X. Package A's file X is version 3; package B's file X is version 2. The version of file X on the computer is version 1.

When the computer is restarted, because package B was installed last, its version of file X is installed in the Pending File Rename queue, the last file is the one that is used. As a result, version 2 is installed instead of version 3 as you expected.

Although this scenario is rare, it is good practice to verify that your computer has all the fixes that you believe are installed. To verify this, use the Qfecheck. For more information about Qfecheck.

Run the update installer with the -z switch to instruct the installer not to restart after the installation. Add the -m switch for Quiet mode if you do not want prompts or messages to appear during the installation. The update installer is one of the following programs:. You can also create a batch file to do this.