Hi, I am running Windows Server 2019 Storage Migration Service Server to migrate a Windows Server 2012 R2 Server to Windows Server 2019. The Job, on 3 of my most important shares, says Completed with Errors"and due to the nature of the information I cannot ignore this and need to identify which folder have issues and errors. I cannot seem to find much in the Windows log files, any advise will be appreciated. Thank you.

Hi. In the Transfer Details section for each server (a pull up from the bottom of the WAC screen), there is an option to save the Error log (as CSV) then open in Excel and look at the per-file errors. The codes will all be Windows Error codes as documented here: https://docs.microsoft.com/en-us/windows/desktop/Debug/system-error-codes If still not able to determine why certain files aren't transfering, let me know (I reserve the right to send you to MS Support for specific troubleshooting, naturally 😀). Ned Pyle | Principal Program Manager, MS | @nerdpyle on twitter

NedPyle Happy to report back that I have found the directories\files that caused the issue. Another issue, after identifying the issue, correct it and the start the transfer again, it runs through every directory\file again (4TB) and it runs for 25+ hours ... Any idea? Thank you

Kobus_Olivier It's going to examine every file, antually, but it should not be transferring them all again - you will see the difference in the transfer details page and the saved CSV. We are working on some improvements in delta transfer perf, but most customers see reduced time between transfers if there aren't many changes. How many Cores do you have on the Orchestrator and Destination computer?

Hi, ok I understand. Both the server have dual core CPU’s with 8 GB RAM - what I am seeing now on the destination is that Windows Defender is hammering the CPU average of 60%. Is there any exclusions for Storage Migration Service? Thank you, Regard Kobus

Kobus_Olivier Re: defender... ouch. They have always told us to expect no more than 5-10% increased utilization. As atest, if you exclude folders where SMS is writing to (or temporarily disable real-time protection), do you see the performance improve?

Storage Migration Service Inventory completed with errors

NedPyle
Microsoft
Jun 17, 2019
Hi. In the Transfer Details section for each server (a pull up from the bottom of the WAC screen), there is an option to save the Error log (as CSV) then open in Excel and look at the per-file errors. The codes will all be Windows Error codes as documented here:

https://docs.microsoft.com/en-us/windows/desktop/Debug/system-error-codes

If still not able to determine why certain files aren't transfering, let me know (I reserve the right to send you to MS Support for specific troubleshooting, naturally 😀).

Ned Pyle | Principal Program Manager, MS | @nerdpyle on twitter
- Kobus_Olivier
  Copper Contributor
  Jun 19, 2019
  NedPyle Happy to report back that I have found the directories\files that caused the issue. Another issue, after identifying the issue, correct it and the start the transfer again, it runs through every directory\file again (4TB) and it runs for 25+ hours ... Any idea? Thank you
  - NedPyle
    Microsoft
    Jun 19, 2019
    Kobus_Olivier It's going to examine every file, antually, but it should not be transferring them all again - you will see the difference in the transfer details page and the saved CSV. We are working on some improvements in delta transfer perf, but most customers see reduced time between transfers if there aren't many changes. How many Cores do you have on the Orchestrator and Destination computer?
- Thom Edwards
  Copper Contributor
  May 20, 2021
  NedPyle
  
  Hi, I'm trying to troubleshoot the "couldn't inventory some devices" during the "scan" phase of the storage migration.
  
  I realize that it may be choking on long file names and 0kb files but how do you access this CSV?
  
  I don't see it anywhere in the WaC console.
  
  Thanks
  - NedPyle
    Microsoft
    May 20, 2021
    Thom Edwards Hi. There is no CSV for Inventory, only for Transfer. If you are seeing an inventory failure the details are in the SMS event logs.

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Storage Migration Service Inventory completed with errors

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