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currently I am trying to run basic-network .after starting orderer its existing with following errors. 

panic: [channel ordererchannel] config requires unsupported channel capabilities: Channel capability V2_0 is required but not supported: Channel capability V2_0 is required but not supported ```
I am using hyperledger/fabric-orderer:2.0.0-alpha image
Vadim Kotov
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Deep
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2 Answers2

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Are using a modified version of the script and generating your own genesis.block and channel.tx ?

I have had the same error as you when I generate my own config files, but if I use the pre-generated config files then the orderer starts OK.

So far, my conclusion is that there is a problem with configtxgen not with the fabric-orderer 2.0.0 alpha, but more investigation required.

R Thatcher
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  • Thank you .I am using modified version to generate channel.tx .Also now fabric-orderer:2.0.0-alpha is working for me after changing capabilities for orderer in configtx.yml file from v2_0 to v1_3 – Deep Nov 18 '19 at 12:39
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  • Hey, All you have to do is make sure the bin folder which is present under the fabric-samples/bin which has configtxgen is latest and 2.0.0 alpha version

  • When you got checkout it just checks out the source code not the bin folder

  • When you clone fabric-samples it just downloaded the source code not the bin folder as it contains more than 50MB, so a curl command would have done for you

  • Please make sure that you have 2.0.0 alpha configtxgen bin file present and refer the same at channel capabilities

Narendranath Reddy
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