Act as if the user canceled the action and cause UI++ to return a custom error code.Ī Preflight action dialog showing a timeout RefreshĬhecks within a Preflight action explicitly depend on the computed results of the expressions configured for each check.Act as if the user canceled the action and cause UI++ to return an error code of 1223 (“The operation was canceled by the user”).Act as if the user pressed the next button (which is the default) and move to the next action in the configuration file.When the countdown timer expires, and the dialog automatically closes, you can configure the dialog to perform one of three activities using the TimeoutAction attribute: If there are warnings, no timeout countdown is displayed, and the dialog does not timeout unless you set the Continue attribute to ContinueOnWarning. This timeout is only displayed if none of the checks in the Preflight action fail if any checks fail, and the dialog does not timeout automatically. You can set a timeout on a Preflight action so that after the specified period, UI++ automatically dismisses it. 1GB" CheckCondition= '%XHWMemory% >= 1024' WarnCondition= '%XHWMemory% >= 4096' ErrorDescription= "Please ensure that the system has at least 1 GB of memory." WarnDescription= "For best results, this system should have at least 4 GB of memory" /> Ī Preflight action dialog showing a warning Timeout It also adds custom error and warning messages as tooltips when hovering over the check’s status icon. The following slightly modified example adds a warning condition to memory and UEFI checks. A single check may have both a warning and an error condition error conditions take priority over warning conditions. Checks that result in a warning do not cause the action to fail or block the user from proceeding to the next configured action. In addition to errors, you can configure checks that result in a warning. To prevent UI++ from showing the Preflight action unless a failure occurs, set the ShowOnFailureOnly attribute to True. To add a tooltip to the check failed icon, set the ErrorDescription attribute for that check.Ī Preflight action dialog showing an ErrorDescription toolip To add a tooltip for a check shown in the Prelight action dialog, set the Description attribute for that check.Ī Preflight action dialog showing a Description toolip 1GB" CheckCondition= '%XHWMemory% >= 1024' /> The following is a standard preflight example that checks for WLAN connectivity, whether a system is on battery, a minimum amount of memory, and whether the CPU supports Windows 8+ requirements. If the user chooses to exit UI++ at this point, UI++ returns a failure code of ERROR_NOT_READY (decimal 21). If any condition evaluates to false, the action as a whole fails, and the user cannot proceed to the next configured action. The Preflight action dialog displays each check, and its condition’s evaluation result. Preflight checks use any valid VBScript expression to check the state of a system these are called conditions. These checks are particularly useful to validate a system before running a task sequence, which may cause significant, irreversible changes to a system but may fail because of the current state of the system, e.g., being on battery power or connected to a wireless network. The Preflight action performs a series of checks to ensure that the system is in a valid state before UI++ continues.
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