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Question

SQL Server Database Failure Completed w/ one or more errors

  • October 21, 2025
  • 4 replies
  • 67 views
M
Byte
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Has anyone seen this error?

SQL database backups happen every 15 minutes, and this error occurs about every 20 jobs.

 

Error summary

 

Error code: [30:325]

Description: Error encountered during backup. Error: [Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake failed or the server was unable to respond back in time. The duration spent while attempting to connect to this server was - [Pre-Login] initialization=30011; handshake=0; Failed to connect to server VMDMZ\WBC. at Microsoft.SqlServer.Management.Common.ConnectionManager.Connect() at CvSmoDll.CvSmoServer.Connect(String sInstanceName, String& errorMessage)]
Source: vmdmz, Process: SQLBackup

Mohammed Ramadan

4 replies

Mohammed Ramadan
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Hello ​@Marcos Silva 
I hope you're having a good day, 

ould you please confirm this is an AlwaysOn database or not ? Also, would you be able to share the job log file ?

Best Regards,
Mohammed Ramadan
Data Protection Engineer

https://www.linkedin.com/in/eng-mohammed-ramadan/
M
Byte
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  • Marcos Silva
  • Author
  • Byte
  • October 21, 2025

I believe it's Always On.

The txt log is attached.

Sougato Roy
Vaulter
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  • Sougato RoyVaulter
  • Vaulter
  • October 21, 2025

Thanks, Mohammed - appreciate your quick response and willingness to help.

Just a quick note for everyone: for security and Compliance reasons, requests for logs or similar data should come through Commvault Support directly. This ensures we handle all customer information safely and through the right channels.

We really value the engagement and collaboration in this space - please continue sharing insights and guidance where appropriate.

Best regards,

Roy

Roy
Erase4ndReuseMedia
M
Byte
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  • Marcos Silva
  • Author
  • Byte
  • October 21, 2025

Thanks, Mohammed - appreciate your quick response and willingness to help.

Just a quick note for everyone: for security and Compliance reasons, requests for logs or similar data should come through Commvault Support directly. This ensures we handle all customer information safely and through the right channels.

We really value the engagement and collaboration in this space - please continue sharing insights and guidance where appropriate.

Best regards,

Roy

Hello

I changed the VM and domain information, or any other data information... so this txt file only shows the job progress and the failure.

Sougato Roy
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