Known issues - UFT One programs

Relevant for: GUI tests and components and API testing

This topic describes general troubleshooting and limitations when working with UFT One.

WSE support

Microsoft no longer officially supports WSE, which UFT One uses to run web service testing using WSE security settings.

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UFT One affected by a Windows update

Some Windows updates (for example from 101803 to 101903) affect the installed UFT One program and prevent UFT One from working properly.

Root cause: The Windows update deletes some registry keys required by UFT One.

Solution: The first time you open UFT One after the Windows update, UFT One runs a registry repair program that fixes registry errors caused by the update.

UFT One program tools

You cannot use some of the UFT One tools when the UAC (User Account Control) option in is set to ON.

Workaround: Temporarily turn off the UAC option while using these tools, by doing the following:

To turn off the UAC option: 

  1. Open the registry editor. (Run a regedit command)

  2. Navigate to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System
  3. Modify the EnableLUA DWORD value and set it to 0.
  4. Restart the computer for your changes to take effect.

To turn the UAC option back on:

  1. Open the registry editor and set the value of the following key back to 1:


  2. Restart the computer for your changes to take effect.

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Characters do not display correctly

UFT One does not fully support UTF-16 surrogate pairs and combining characters. The Run Results Viewer and some user interface elements in UFT One do not display these characters correctly.

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Running UFT One and different user accounts

UFT One supports running tests from multiple instances of UFT One simultaneously on the same machine in different Windows sessions. When UFT One is launched by a different user account than the application you are testing, the following UFT One functions may behave unexpectedly:

  • Recording
  • Running tests
  • Spy

Workaround: Launch the application through UFT One, for example, using the Record and Run settings.

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