Unable to VPX instance on ADM : Error Exception unable to login

Unable to VPX instance on ADM : Error Exception unable to login

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Article ID: CTX322693

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Updated On:

Description

Symptoms - When adding instance onto their ADM some users see the below error message

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Resolution

1 - Run a network trace and replicate the issue 
2 - Check the handshake to see if they are seeing "Fatal handshake failure"
3 - If RST code is 9811 this is a cipher issue with internal server 
4 - Go into internal server on ADC and disable TLSv1.0 & TLS1.1 
5 - When these are disabled please go back and add instance on ADM 

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Problem Cause

Cipher issue causing issue with new build, disabling this resolves the issue