rdr_file_system 0x27 BSOD After Windows 10 2004 update, but only on domain profiles

Anonymous
2020-06-08T14:50:36+00:00

Good morning, I am having an issue on some PCs recently after some PCs received the Windows 10 2004 build update. After receiving said update, the machines will BSOD with a 0x027 error code when logging into a domain profile while connected to the network.

If I remove the network cable from the PC and log into a domain account that was cached on the machine before the update, it will log in without issues and then I can connect it to the network and it seems to resume function. I can also sign into a local account on the machine, with and without network connectivity. 

I used Bluescreen View to look at the dumps which seem to be showing rdbss.sys and mrxsmb20.sys as drivers that are causing the issue. I have tried updating network drivers etc from the vendors websites and not relying on Windows to, but am still having the issue.

The other bizarre thing is if the PC crashes 3 times, boots into the recovery mode to try and repair your PC and I restart it, it will then log in once to a domain account and seem to be functioning, however if the PC is restarted it will BSOD on log in.

Has anyone seen or heard of any issues like this since this update? Could it be something out dated on the server that is causing the issue to happen to the machines on the newer OS? I can't help but feel like it has something to do with folder redirection and that is why cached accounts will work with no network connection however I am stumped how to get around this other than not updating every other machine, and rolling back if possible (I had a PC that was upgraded from Windows 7 to 10 and went straight to the 2004 build and BSOD'd, I tried to roll back to Win7 and system will not boot at the moment saying it is missing system files etc.).

I have some mini dumps I can share if that would help as I would like to get to the bottom of this if possible.

Windows for home | Windows 10 | Performance and system failures

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  1. Anonymous
    2020-07-22T15:20:32+00:00

    (first time posting, so if I did something wrong I apologize)

    I have the same issue with a Dell Precision M6800. I can log into our work domain (Windows Server 2012), but when I tried to work from home yesterday, I got the BSOD after hitting enter at login. No matter if I'm on my home network (wifi or wired) or not, I still receive the BSOD. I tried rolling back updates, but as everyone else has pointed out that did nothing. We have two positive Covid cases in an office of 15 so working at home is pretty important to me at the moment. 

    There was another thread similar to this back in October of 2019 from Bula1 :

    https://answers.microsoft.com/en-us/windows/forum/all/bsod-issue/677dae23-51c3-41ad-af92-286030ed47bc?page=2

    Towards the end of the second page AndreiCN posted the following, but no one followed up on whether this worked or not.

    Hi Joaquin,

    KB4535996

    It was fixed:


    Addresses a timing issue that may cause stop error 0x27 in mrxsmb20!Smb2InvalidateFileInfoCacheEntry. This issue occurs when you rename or delete files that have certain extensions and are stored on a network share that has client-side caching enabled.


    Have a good one.

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  2. Anonymous
    2020-07-17T07:06:59+00:00

    I have same problem with a Surface Go 2 Business. The bluescreen appears directly after login without connection to my network.

    Unfortunately I noticed it too late, it's a new surface I've installed an updated to 2004 (deleted the old version) and have all installed and configured. All was working fine. The next time I was a few days out of my office I was not able to work because of the bluescreen at logon. Back on my office, all is working fine on my business network.

    I hope Microsoft release the fix soon.

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  3. Anonymous
    2020-07-16T08:03:13+00:00

    I have the same problem with a HP Zbook 15 G1 in a workgroup, the blue screen appear the moment I logon without a network connection. If I turn my network connection on in my home office, there is no problem at all.... only sometimes it will give a BSOD when I start her up, but the next start-up will be without a problem.

    When I am outside my home office and I connect to a "strange network" I can logon, but after  a short time it will crash with a BSOD. (probably the point when she start to sync....) Disable offline folders solve the problem.... but I need offline folders badly... :( I think the only thing we can do is waiting till someone from MS or HP comes with a patch.... We need a fix for this issue...!

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  5. Anonymous
    2020-07-15T11:24:02+00:00

    Same issue even after installing the following updates.

    2020-07 Cumulative Update for Windows 10 Version 2004 for x64-based Systems (KB4565503)

    2020-07 Servicing Stack Update für Windows 10 Version 2004 für x64-basierte Systeme (KB4566785)

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