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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(3.2, 63%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBS%3C/text%3E%3C/svg%3E)
Hello,
Below message appears after the boot image loaded. Boot image loads from the same Distribution Point.
Used nslookup command from different computer [Joined to Domain] and it resolves the computer name using IP, Full Address, NetBIOS Name.
Share path of MDT server is accessible from other computer. Read permission given to Everyone.
Below message appears in bdd.log
FAILURE ( 5210 ): ValidateDeployRootWithRecovery: Cancel
Please help to solve the issue
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(166.4, 66%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
Hi,
For this problem, please try below solution to see if it works
Open the following registry locations on WDS/MDT server:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\LanmanServer\Shares
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\LanmanServer\Shares\Security
Delete all entries except REMINST and open powershell, run the following:
Restart-Service -Name LanmanServer -Force
Finally perform chkdsk /F c: and chkdsk /F d: and sfc /scannow then reboot the server... check those registry entries again, you will find them correctly written..
Alex
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Hello @AlexZhu-MSFT
Thanks for your reply.
I compared the same settings from other working Distribution Point. All the registry settings are correct.
Is this can be a DNS issue?
Hi,
Thank you very much for the response.
Used nslookup command from different computer [Joined to Domain] and it resolves the computer name using IP, Full Address, NetBIOS Name.
It seems we have done some troubleshooting steps to confirm the DNS issue. However, we can test this when the error appears (not from another computer). Just press F8 to launch the command prompt, and run nslookup/ipconfig/ping command to see if the PE can locate the MDT server. If possible, you may share the screenshots.
Regards,
Alex
Hello @AlexZhu-MSFT
I can see the below message in bdd.log
Find the below ping test from the computer using NetBIOS Name and FQDN Name
It works in different site [city]. It happens in only at particular site.
Please help what are the troubleshooting to perform to solve the issue
Hi,
It seems that I didn't express myself clearly. I mean to test the network connection from the problematic computer and seek for help from network team if necessary. When the error appears, the boot image (PE) has been loaded, press F8, to open a command prompt and run the command accordingly.
Thank you sharing the error message 5210 (the same as that in the orginal post) once again. It seems the screenshot it not from the probmetic computer, right? During that phase, only boot image is loaded to memory. Please see below example screeshot.
Regards
Alex
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