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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 43%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMT%3C/text%3E%3C/svg%3E)
When I deploy my Windows FunctionApp to a slot I get this error:
2021-05-04T13:10:14.0501876Z ##[error]Failed to deploy web package to App Service.
2021-05-04T13:10:14.0521125Z ##[error]Error: Package deployment using ZIP Deploy failed. Refer logs for more details.
Strangly there is no problem when I deploy the same release pipeline to production with this option "Deploy to Slot or App Service Environment" unchecked.
Since its working for production for me this is very weird...So do anybody have an idea whats going on?
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 35%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESN%3C/text%3E%3C/svg%3E)
In the Function App, go to the "Deployment Center" blade, and click on the "Disconnect" button on top.
After that re-run the release pipeline.
HTH
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(201.6, 45%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECP%3C/text%3E%3C/svg%3E)
This solution works for me. thx!
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(259.20000000000005, 52%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Hello ergeyNosov-7268,
It's works for me, thx
But could you please advise how can i fix it automatically (dontt want to do it every time manually)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 37%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOU%3C/text%3E%3C/svg%3E)
Hi, I know this was raised a long ago. We are experiencing the same issue now in VNET enclosed azure fucntion. And we are deploying the azure function zip package to production environment. I tried to follow your solution, but I dont see 'Disconnect' button in Deployment Center blade.
Would you be help to help in this case please?
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 71%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELF%3C/text%3E%3C/svg%3E)
I cannot say this solves the issue while you Disconnect the app, the issue still persist, anyone with the idea of how to solve it?
@Malte Tönjes Welcome to Microsoft Q&A! Thanks for posting the question.
As per the error message you are doing the Zip deployment. Can you please confirm if you have configured any other deployments like bitbucket, GitHub, etc for your function app? If this is the case, then you could observe the above issue.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 95%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVC%3C/text%3E%3C/svg%3E)
Hi @MayankBargali-MSFT ,
I am trying to deploy a python flask app from GitHub but it gives me this same error-
Error: Failed to deploy web package to App Service.
Error: Deployment Failed with Error: Package deployment using ZIP Deploy failed. Refer to the logs for more details.
My Github repo structure is -
static
templates
Procfile
README.md
app
requirements
runtime
This is the repo link - https://github.com/vinrok/LoanPredictionApp
Kindly help me to solve this.