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Failure to upload config file to SonicWall Migration tool.
Please urgently assist.
If you are attempting this under the MySonicWall - Tools - Migration Tool option I think there might be a problem.
Go to https://migratetool.global.sonicwall.com/ and try it there. It did take some time just now - longer than usual - for an upload to complete, but it worked for me.
@AGSonicWall , it looks like there may be an issue on SonicWall's end , try now it is working but slow