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Password sync not working on Windows 10 (autoboot using TPM )

Hello,

we have set an AUTOBOOT using TPM on Windows 10 (user don't see the preboot screen) in our environment.

It seems to me, that password synchronisation between Windows and MDE doesn`t work anymore when TPM is used for pre authentication.
And after a major update to Windows, TPM measure will fail (as designed) and PBA screen will be shown. But since passwords are not synced user can only authenticate with a old password or doesn`t remember it and need to be recovered.

EPo: 5.10

MDE version: 7.2.7.8

MA agent: 5.6.2

3 Replies
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McAfee Employee hem
McAfee Employee
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Message 2 of 4

Re: Password sync not working on Windows 10 (autoboot using TPM )

Moved to MDE group.

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If this information was helpful in any way or answered your question, will you please select Accept as Solution in my reply and together we can help other members?please select Accept as Solution in my reply and together we can help other members?

Re: Password sync not working on Windows 10 (autoboot using TPM )

I would like to know if that works for other users/companies? Are we the only one having this issue?

McAfee Employee jsubbura
McAfee Employee
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Message 4 of 4

Re: Password sync not working on Windows 10 (autoboot using TPM )

Hi @ipsos-mk ,

Thank you for writing in here.

Since you are using Autoboot feature, as soon as the machine is installed with MDE and restarted the PBFS would be created with users assigned to the PBFS, however, these users need to be initialized in the first place for password sync features.

User Initialization can only happen at the MDE PBA screen.

Since you have auto-boot enabled, MDE PBA screen is not displayed at all from the first, so user initialization does not happen at all. And when there is a windows upgrade which makes the TPM measurements to fail, MDE PBA screen appears. Now the user tries to enter his username and his windows password or any other password. Definitely you will get the failed to authenticate messages on the PBA screen.

At this case, since the user is not initialized, advise the user to use the mcafee default password (12345 or 1234567) mentioned in the product guide to initialize the user account, post this the user would be advised to enter a new password and confirm password, which can be their Windows account password. 

 

Post user Initialization, MDE password sync will happen regularly. So before provisioning the machines to the end-users, kindly make sure that these users are initialized at the PBA.

 

Kindly let me know if you have any further questions on the above 🙂

 

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Thank you.

 

 

Regards,
Jithendran S
McAfee Employee
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