Cannot pin to taskbar, windows 7

I've created a scratch-installed Windows 7 workstation, joined it to the domain and migrated the user profile. I've made sure that user has permission for everything under that user's AppData. I cannot pin anything to the task bar. I've removed everything from %APPDATA%\\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar. I've already tried deleting/re-adding HKEY_CLASSES_ROOT\lnkfile\IsShortcut. I've verified the  gpedit.msc, User Configuration -> Administrative Templates -> Start Menu and Taskbar > Do not allow pinning programs to the Taskbar, is set to "Not Configured". I've rebooted several times. I cannot pin Outlook to the taskbar. Nothing happens. I need to be able to pin things to the task bar.

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Hello ThereSystem AdministratorCommented:
Try it with another user profile.
Sam Simon NasserIT Support ProfessionalCommented:
when you right click an app, is the option (pin to taskbar) available? when you click on it what happens?
Hello ThereSystem AdministratorCommented:
Another possible solution:
1. Delete all files at %APPDATA%\Microsoft\Windows\Recent\AutomaticDestinations
2. Delete all files at %APPDATA%\Microsoft\Windows\Recent\CustomDestinations
3. Reboot

You might want to run sfc /scannow. Then reboot.

Remember that shortcut with certain words in the name cannot be pinned. The list of forbidden words are here:
You can edit the list where necessary if you want to pin a shortcut which contains any of those words.

Make sure that ENABLE CONTEXT MENUS AND DRAGGING AND DROPPING checkbox is checked.
Right click on Taskbar -> Properties -> Start Menu tab -> Customize button. Then in the Customize Start Menu option list, look for Enable Context Menus and Dragging and Dropping checkbox.

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Hello ThereSystem AdministratorCommented:
I found this Reset and Clear All Pinned Items tool.

It contains the following code:
DEL /F /S /Q /A "%AppData%\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\*"
REG DELETE HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Taskband /F
taskkill /f /im explorer.exe
start explorer.exe

Open in new window

Hello ThereSystem AdministratorCommented:
A lot of people are also complaining about missing registry value data for lnkfile registry key, which defines the behavior of all shortcut or.lnk files on the system.
To resolve this, navigate to HKEY_CLASSES_ROOT\lnkfile. Create a new String Value (REG_SZ) to create a new registry value. Name it as IsShortcut . No value data is required. Then reboot.
Sajid Shaik MSystem AdminCommented:
on the desk top   on plain area right click - create a shortcut - type Outlook - save on desktop..  after drag this short cut to task bar... all the best
MarkAuthor Commented:
I tried various of the suggestions posted here. I kept changing folder permissions, but there kept being more sub-folders with wrong permission. This was getting tedious. In the end I gave up, and deleted everything under C:\Users\myuser. I logged back into the system using domain credentials whereupon a new user folder was created. I could then create links. The only remaining problem with this is the inability to re-use the old Outook pst file, but that's another problem already posted:
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Windows 7

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