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SFTP error: Invalid key exchange value

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Updated October 16, 2017


If you get the error "invalid key exchange value", it could be an indication that the private key was not setup properly.


  • MFT 15+


1. Go to the Domain or Server level where you set the SSH private key (for SFTP).

2. Please make sure that the SSH Key Fingerprint is generated.

3. If there is a private key but no fingerprint, this could mean that setup was incorrect or has become corrupted, or the private key password is incorrect.

4. Generate a new private key and save.



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