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Error when logging into console after upgrade: "Failed to retrieve user account information"

  • January 20, 2026
  • 29 comments
  • 4004 views

Tommy O'Shea
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I’m getting the below error after upgrading Veeam servers from v12 to the latest release of v13. It’s a windows based install of Veeam, and it is connected to a (dedicated to Veeam only) AD domain.

My user has local administrator permissions, Veeam Backup Administrator permissions, and MFA disabled for testing/troubleshooting purposes. The is happening across each of the Veeam v13 servers I have on the domain.

It is only happening for mine and one other engineer’s user accounts, but other engineer’s accounts are not affected. We are all in the same AD groups so permissions are the same.

I have tried removing Veeam Backup Administrator permissions from my account, rebooting, and re-adding, to no effect.

Has anyone seen this before? Any suggestions for what else to check? In the meantime I have a case open with Veeam support, and hoping they can come up with something.

Relevant logs:

[19.01.2026 21:07:36.194]   <126>   Error (1)    Veeam.Backup.IdentityService.Shared.CSystemAccountProvider [TraceId: '400000e0-0024-fb00-b63f-84710c7967bb'] Unable to get user S-1-5-21-████-████-████ (SID redacted)
identity from account

[19.01.2026 21:07:36.194]   <126>   Error (1)    Veeam.Backup.Identity.Server.GssEndpoint [TraceId: '400000e0-0024-fb00-b63f-84710c7967bb'] Could not get identity after success authentication for
'DOMAIN\Username'

Best answer by Tommy O'Shea

Veeam support just got back to me asking if my account’s userPrincipalName attribute was set in AD or was empty. ​@Chris.Childerhose checked for me, and it was indeed <not set>. 

Once we corrected that, I was able to log into the Veeam server again.

What’s interesting is that I had no problem logging into v12 server like this, only v13. Perhaps v13 has a requirement for that attribute to be set. 

29 comments

  • New Here
  • October 2, 2026

Just FYI —Rejoining domain, PrincipalName, etc. did not work for me.

However, when I checked the Svc.Identity.log, I noticed the following error:

“Could not get identity after success authentication for 'DOMAIN\Admin'”

It was showing DOMAIN\UserName instead of DOMAIN.COM\UserName.

On the Domain Controller, I checked AD Users and Groups → right-click DOMAIN.COM → Properties, and noticed that the Domain Name is actually set to “DOMAIN”, not “DOMAIN.com.”

I then edited the following file:

C:\Windows\System32\drivers\etc\hosts

and added the Domain Controller’s IP address with the hostname DOMAIN.

That resolved the issue for me.

Thanks to Juan from Tech Support for the help!


  • New Here
  • August 21, 2026

FWIW:

I’m seeing what appears to be a related VBR 13 identity-resolution issue, but my userPrincipalName is populated so the resolution above doesn’t apply here. The Identity Service successfully authenticates me, finds my account by SID, and then fails with:

  Failed to get 'userAccountControl' property from search result

Direct LDAP queries return userAccountControl=66048, but the same query under SYSTEM finds the account without returning that attribute, apparently because the account is in a restricted OU. But this worked in VBR 12. It looks like VBR 13’s new Identity Service assumes certain AD attributes are both populated and readable, then aborts login with the generic “Failed to retrieve user account information” error when one is missing. 

As a temporary workaround, I run VeeamBackupSvc under a dedicated domain service account and explicitly log into Veeam using that account. With embedded PostgreSQL, I also had to add that identity to the veeam map in pg_ident.conf.

This does not fix normal login for the original domain users; it only provides a workable administrative login until the AD permissions or Veeam behavior are corrected.


  • New Here
  • August 20, 2026

Hi ​@clmr_bry, then a Support Case is the way to go as a review of the debug logs will be required.

Yeah, I’m quite aware ;) 


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  • Veeam Product Management
  • August 20, 2026

Hi ​@clmr_bry, then a Support Case is the way to go as a review of the debug logs will be required.


  • New Here
  • August 20, 2026

Same issue. None of this helps.


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  • Veeam Product Management
  • July 28, 2026

​@Alan.Forrest, best to open a Support Case and let Veeam Support review -- last cases required review of the debug logs to understand the issue, so please open a Support Case and let support begin the investigation.


Same issue here upgrading from v.12 to v.13.  UPN is set correctly for the account used to install and the one with the failing login attempts.  This should not be an issue.


Was seeing similar issue after upgrade from 12.3.2.3617 to 13.0.2.29

UPN was not set on the account used to do the upgrade, added the UPN and resolve it.

 


new case #08040224 opened since old case#07982705  was achieved

Have you solved your problem? Please share your solution.


  • New Here
  • April 13, 2026

Have you solved your problem? Please share your solution.

new case #08040224 opened since old case#07982705  was achieved

 

.


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  • New Here
  • March 27, 2026

new case #08040224 opened since old case#07982705  was achieved


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • March 25, 2026

​@Tommy O'Shea ​@Chris.Childerhose - we are also facing exactly same issue after V13 upgrade, unable to login to with our admin account ‘Failed to retrieve user information’. Case #07982705 already opened but no luck.

 

In our case, userPrincipalName is already set correct and allowed user in VBR user & roles but still same issue. 

 

 

If that is the case, then keep up with the support case to get it resolved.  The UPN fixed it for our users but maybe your case is something slightly different.


coolsport00
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  • Veeam Legend
  • March 25, 2026

Curious to hear what Support comes up with for you ​@RandomUser . Keep us posted if you could.

Best.


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  • New Here
  • March 25, 2026

​@Tommy O'Shea ​@Chris.Childerhose - we are also facing exactly same issue after V13 upgrade, unable to login to with our admin account ‘Failed to retrieve user information’. Case #07982705 already opened but no luck.

 

In our case, userPrincipalName is already set correct and allowed user in VBR user & roles but still same issue. 

 

 


pklein
  • New Here
  • March 17, 2026

Just a heads-up: in our case, the issue was caused by a special character ($) in the username of a local user account.


CMF
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  • Veeam Legend
  • January 20, 2026

Thanks for sharing ​@Tommy O'Shea 


coolsport00
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  • Veeam Legend
  • January 20, 2026

Ok...well Veeam using the UPN for AD accounts makes sense. Thanks for sharing the resolution Tommy. Glad they got it resolved for you all.


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • January 20, 2026

Veeam support just got back to me asking if my account’s userPrincipalName attribute was set in AD or was empty. ​@Chris.Childerhose checked for me, and it was indeed <not set>. 

Once we corrected that, I was able to log into the Veeam server again.

What’s interesting is that I had no problem logging into v12 server like this, only v13. Perhaps v13 has a requirement for that attribute to be set. 

Ah, funny :) Support had asked me about this very thing, I didn’t realize they were talking about your case.

Yes, Veeam has a check right now to retrieve the userPrincipalName property from AD -- I’m not an AD / Kerberos expert, but seems we expect it to be there. 

I’ll bring it up internally and confirm it’s required, and we’ll add it to the User Guide.

Thanks David.  Seems it was not required in v12 but is in v13.


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  • Veeam Product Management
  • January 20, 2026

Veeam support just got back to me asking if my account’s userPrincipalName attribute was set in AD or was empty. ​@Chris.Childerhose checked for me, and it was indeed <not set>. 

Once we corrected that, I was able to log into the Veeam server again.

What’s interesting is that I had no problem logging into v12 server like this, only v13. Perhaps v13 has a requirement for that attribute to be set. 

Ah, funny :) Support had asked me about this very thing, I didn’t realize they were talking about your case.

Yes, Veeam has a check right now to retrieve the userPrincipalName property from AD -- I’m not an AD / Kerberos expert, but seems we expect it to be there. 

I’ll bring it up internally and confirm it’s required, and we’ll add it to the User Guide.


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • January 20, 2026

Veeam support just got back to me asking if my account’s userPrincipalName attribute was set in AD or was empty. ​@Chris.Childerhose checked for me, and it was indeed <not set>. 

Once we corrected that, I was able to log into the Veeam server again.

What’s interesting is that I had no problem logging into v12 server like this, only v13. Perhaps v13 has a requirement for that attribute to be set. 

I am guessing the UPN is needed in v13 for some reason.  I already have a PowerShell script to fix any other users we find too.  😋


Tommy O'Shea
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  • Author
  • Veeam Legend
  • Answer
  • January 20, 2026

Veeam support just got back to me asking if my account’s userPrincipalName attribute was set in AD or was empty. ​@Chris.Childerhose checked for me, and it was indeed <not set>. 

Once we corrected that, I was able to log into the Veeam server again.

What’s interesting is that I had no problem logging into v12 server like this, only v13. Perhaps v13 has a requirement for that attribute to be set. 


Tommy O'Shea
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  • Author
  • Veeam Legend
  • January 20, 2026

Hi ​@Tommy O'Shea,

Could it be that there is an issue with the user itself? Otherwise it would not make any sense if all the other users are still working fine. 

Have you tried to recreate the User?

 

I’d rather not recreate the user at this stage, since it seems more like it’s authenticating fine, just Veeam can’t find the association between the AD account and the Veeam database. I don’t want this cropping up later and affecting other users. Like Chris said, hopefully Veeam support comes back with a fix for the identity error.

I was just wondering if anyone else had seen this specific error message already.


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • January 20, 2026

​@Tommy O'Shea what’s the user name? Or more specifically, does it have a $ in the name or some other special character?

I’m aware of an issue where some special characters ($ is one I remember) can cause this

Even if it’s not using special characters, open a Support case and let them review.

Looks like the auth ended up working, but Identity Service couldn’t handle it for some reason based on the last line.

There are no special characters in the usernames we use.  I am the one that set up the new domain for our Veeam servers and worked on all this so it should be good. 😁

We will wait on the current support case to see what is going on.


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • January 20, 2026

Hi ​@Tommy O'Shea,

Have you review this article already? https://helpcenter.veeam.com/docs/vbr/userguide/kerberos_authentication.html?ver=13

 

I’d recommend trying to re-join your Veeam server to the domain, maybe somethings got lost during the process of the upgrade.

In case you don’t have access anymore (with any account), you should reach out to Veeam support to troubleshoot this.

 

Best

Lukas

This is not necessary because my account and others work on the Veeam server (I work with Tommy).  So it is not a domain join issue.


coolsport00
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  • Veeam Legend
  • January 20, 2026

Hmm..weird behavior there. Curious what Support finds Tommy.