invalid backup file

  1. Upgrade to V20 failed - Invalid backup file (LicensePhone)

    Hi, I just tried to update my V18 on prem installation to V20. After uploading my backup ZIP it gave me this error: So I had to restore the V18 phone system. Please advise how I can fix this error. Where I need to adjust phone numbers to have them match? Thanks!

  2. Solved Migration v16 to v18

    Hi, I'm getting the 'Invalid backup file' error when i try to restore from a backup in the new v18 web interface. I can open the .zip with no problem, i made a copy and went to get the source header too, since i saw you ask for that in other post. <header> <version>16.0.8.16</version>...
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