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Cannot fetch, push or pull on Sourcetree for Windows

Matt Brand February 19, 2019

My team switched to a Enterprise github account. It uses SSH for all repos.

I can no longer fetch, push or pull from SourceTree. When I try to do any of those actions, I get a spinner that never stops, and in the log I see this message:

"git -c diff.mnemonicprefix=false -c core.quotepath=false --no-optional-locks fetch origin
The server's host key is not cached in the registry. You
have no guarantee that the server is the computer you
think it is.
The server's ecdsa-sha2-nistp256 key fingerprint is:
ecdsa-sha2-nistp256 256 8c:1a:fc:b8:13:67:2b:a7:6e:ce:ed:e7:db:a8:b9:6b
If you trust this host, enter "y" to add the key to"

I can switch branches in ST. I have the correct ssh keys tied to my account in the enterprise github.

I cloned all repos using command line, and can do everything fine in command line.

I have tried:

1. switching from System Git to Embedded Git

2. updating to the latest version of Windows Git

Any other ideas?

1 answer

1 accepted

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Answer accepted
Matt Brand February 19, 2019

The solution was to run plink.exe from the command line, from this post:

I was able to find plink here:


I tried running it with command line parameters, and while the command line returned an error, a modal popup came up asking for my username and password, which when I entered my github username and private key passphrase, everything started working.

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