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Issue with Red Hat installation on an immutable repository

  • August 11, 2026
  • 9 comments
  • 73 views

Hi, I’m having trouble implementing an immutable repository using Red Hat 10 with Veeam version 12.3.2. I installed it a few days ago and it was working fine, but today the Veeam server was shut down to fix an issue with an HBA card. Upon restarting, the machine failed to reconnect to the immutable repository, throwing errors such as: "Unexpected socket shutdown, Failed to rescan repository (...) Error Unexpected socket shutdown, host discovery failed," as well as warnings like: "Refresh linux host failed error: Unexpected socket shutdown, failed to rescan repository (...) Unexpected socket shutdown." I’ve run a number of tests: changing the user password to match what is configured in Veeam, disabling the Red Hat firewall, testing connections on ports 6160 and 6162 in both directions, and re-enabling port 22—yet nothing works. Oh, I almost forgot this warning that appears when rescanning the Linux host: "Unable to collect hardware info: Unexpected socket shutdown." It’s really frustrating; has anyone else experienced something similar? Could you please help me? Many thanks.

Best answer by chateichon7

Hi everyone,

Thanks a lot for your replies. The problem was the time; I had given instructions to change it, but they got confused by the format and swapped the numbers—haha—but it's all sorted out now, thank God.

9 comments

Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • August 12, 2026

Did you try restarting the repo server and connecting?  Also if you can upgrade to v13 might help otherwise support ticket is the route to go.


  • Author
  • Comes here often
  • August 12, 2026

I already restarted it. I want to see if anyone else has experienced this before opening a ticket; it was working fine. Updating is fine, but that works fine with version 12 too.


Chris.Childerhose
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  • Veeam Legend, Veeam Vanguard
  • August 12, 2026

Ok. Hopefully someone chimes in but I would still open a ticket regardless.


marco_s
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  • Veeam Vanguard
  • August 14, 2026

Hi ​@chateichon7 , please check the supported OS, RHEL 10 is not officially in the compatibility matrix with Veeam v12:

https://helpcenter.veeam.com/archive/backup/120/vsphere/system_requirements.html#backup-repository  


Chris.Childerhose
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Hi ​@chateichon7 , please check the supported OS, RHEL 10 is not officially in the compatibility matrix with Veeam v12:

https://helpcenter.veeam.com/archive/backup/120/vsphere/system_requirements.html#backup-repository  

I keep forgetting to check this list so that would make sense.  I believe v13 supports it.


coolsport00
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  • Veeam Legend
  • August 15, 2026

Hi ​@chateichon7 , please check the supported OS, RHEL 10 is not officially in the compatibility matrix with Veeam v12:

https://helpcenter.veeam.com/archive/backup/120/vsphere/system_requirements.html#backup-repository  

If you're able to, try a supported RH version and see if you still have issues ​@chateichon7 


  • Author
  • Comes here often
  • Answer
  • August 21, 2026

Hi everyone,

Thanks a lot for your replies. The problem was the time; I had given instructions to change it, but they got confused by the format and swapped the numbers—haha—but it's all sorted out now, thank God.


coolsport00
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  • Veeam Legend
  • August 21, 2026

@chateichon7 - glad you got it sorted


Chris.Childerhose
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Great to hear you got it sorted and it was something simple.