Not able to use bitlocker without TPM

After setting group policy setting and rebooting Bitlocker is still giving me the error:

A compatible Trusted Platform Module (TPM) Security Device must be present on this computer, but a TPM was not found. Please contact your system administrator to enable BitLocker

GPEDITBitLocker
Mark RohrbeckOwner - Celera IT ServicesAsked:
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Ashok DewanFreelancerCommented:
In this Group policy setting :-
Did you also check the option which says "Allow BitLocker without a compatible TPM" ?
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Mark RohrbeckOwner - Celera IT ServicesAuthor Commented:
Yes
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McKnifeCommented:
Did you check in rsop as well? If a domain GPO and a local GPO have contradictory settings, the domain GPO would win.
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Brad GrouxSenior Manager (Wintel Engineering)Commented:
From an elevated command prompt on the workstation in question perform a gpupdate /force then a gpresult /h C:\temp\gpresult.html which will generate an HTML document in C:\temp with the currently applied GPO information. Open the HTML page and verify that the GPO is being applied, and that the setting in question is being set. This will also let you know if another GPO is taking precedence.

If everything looks good, I'd suggest a clean reboot and then kick off the BitLocker process again to see if it remedied the issue.
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Mark RohrbeckOwner - Celera IT ServicesAuthor Commented:
The actual problem was that this PC could not contact the domain controller due to firewall rules in the Sonicwall preventing communication from WLAN to VPN. After correcting that issue GPUPDATE / FORCE ran and so did BitLocker.
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McKnifeCommented:
So it was simply a wrong error message.
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