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05-18-2021

Netherlands

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Reset UEFI without BMC access for SR630

2021-05-18, 14:51 PM

So the situation is as follows, I have an SR630(7X02). It's been used by a customer and they changed the password, forgot it but also disabled access to BMC.

Trying to reset anything through "onecli" is therefore not possible since I can't login with bmc credentials.

 

When starting the machine upon pressing F1 to enter "system setup" I get asked for a "Priviledge Administrative password", I don't have this password.

 

I have tried clearing settings with multiple jumpers:

  • CMOS
    • J95
  • Power on password
    • J50
  • force XCC reset
    • J181 

None of these have made me able to get into uefi or bmc. As a workaround I have been able to get everything working by forcing the system to use the backup BMC by setting the backup jumper J47.

 

There is no settings, data or anything else of interest currently on the server which needs to be saved. My only goal is to be able to use the primary BMC and have the backup BMC running on an older version for redundancy.

 

Onecli and everything else is working perfectly fine when i'm running off the backup BMC, maybe there is a way to reset the main BMC from the backup? If anyone knows of a way to reset the primary BMC, I would love to get some pointers.

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4 Posts

05-18-2021

Netherlands

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  • Posts: 4
  • Registered: ‎05-18-2021
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  • Views: 15

Re:Reset UEFI without BMC access for SR630

2021-05-19, 12:57 PM

Ok so I've managed to fix my problem. I used the follow steps on win10:

 

  1. download the bootable USB tool BOMC
  2. follow and fill in the required steps
  3. when asked, choose to save as an image
  4. when you have an image use a tool like "Rufus" to create your bootable USB
  5. with jumper settings on the locked out bmc (in my case primary) start the server with USB connected
  6. let the machine finish post and it will boot into BOMC without asking for admin password
  7. choose "advanced options"
  8. choose "load UEFI/BMC defaults"
  9. reset UEFI
  10. reset BMC
  11. restart server
  12. BMC is now accessible and we can follow the OneCli procedure provided in this link to reset our UEFI admin password

 

 

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622 Posts

07-17-2018

United States of America

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  • Message 2 of 6

Re:Reset UEFI without BMC access for SR630

2021-05-18, 15:38 PM

Hello Shinobi Cat,

 

Welcome to the community!

 

If OneCLI works using the backup BMC you can utilize this article to override the UEFI Admin Password:

 

How to set or change the UEFI Admin password using Lenovo XClarity Essentials Windows OneCLI

 

After you gain access to the UEFI you can reset the primary BMC.

 

Hope this helps!

 

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4 Posts

05-18-2021

Netherlands

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  • Message 3 of 6

Re:Reset UEFI without BMC access for SR630

2021-05-19, 6:53 AM

Sad story but i've tried this already.

I ran:

Just to be sure, today I ran the command in your link, which is:

The password gets set but only seems to do so for the current BMC (secondary).

The moment I switch back the jumper to start my primary BMC the new password doesn't work.

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4 Posts

05-18-2021

Netherlands

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  • Posts: 4
  • Registered: ‎05-18-2021
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  • Message 4 of 6

Re:Reset UEFI without BMC access for SR630

2021-05-19, 12:57 PM

Ok so I've managed to fix my problem. I used the follow steps on win10:

 

  1. download the bootable USB tool BOMC
  2. follow and fill in the required steps
  3. when asked, choose to save as an image
  4. when you have an image use a tool like "Rufus" to create your bootable USB
  5. with jumper settings on the locked out bmc (in my case primary) start the server with USB connected
  6. let the machine finish post and it will boot into BOMC without asking for admin password
  7. choose "advanced options"
  8. choose "load UEFI/BMC defaults"
  9. reset UEFI
  10. reset BMC
  11. restart server
  12. BMC is now accessible and we can follow the OneCli procedure provided in this link to reset our UEFI admin password

 

 

0 person found this solution to be helpful.

This helped me too

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622 Posts

07-17-2018

United States of America

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  • Message 5 of 6

Re:Reset UEFI without BMC access for SR630

2021-05-19, 13:02 PM

Hi Shinobi Cat,

 

Interesting process. Glad you found a resolution. Would you mind sharing where you found these steps?

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4 Posts

05-18-2021

Netherlands

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  • Message 6 of 6

Re:Reset UEFI without BMC access for SR630

2021-05-19, 13:14 PM

Well I figured that for the onecli command to work I needed BMC access. Since clearing CMOS by removing the battery or setting the jumper didn't work, I went looking for other ways to achieve this goal.

 

I went looking around our partner portal and found the BOMC tool. I never use the actual tool since we mostly do our updates over ethernet. The BOMC tool basically gave me the idea that I might be able to reset UEFI straight from the tool.

At first I tried resetting the UEFI to default with this tool, however it didn't have the wanted result (it didn't reset).

 

So next up was resetting the BMC and hoping for the best. Luckily it reset the BMC making it possible to login to BMC with the default PASSW0RD. Everything after that was just basic onecli stuff.

 

Since I couldn't find any answers online specifically for my situation I just thought I'd type out the steps for future reference.

 

 

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