What is the most common cause for a Quick mode packet 1 failing with the error “No Proposal
Chosen” error?
A.
The encryption strength and hash settings of one peer does not match the other.
B.
The previously established Permanent Tunnel has failed.
C.
There is a network connectivity issue.
D.
The OS and patch level of one gateway does not match the other.
A is correct
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk26336
Phase-two Quick Mode failure occurs due to configuration/misconfiguration of VPN/encryption domain for firewalls involved in Site-to-Site VPN tunnels. Typically, this occurs when VPN domain group contains either numerous networks, or numerous hosts from different consecutive networks along with network objects.
magic suitcase
http://www.XquielQMVW.com/XquielQMVW
A. The encryption strength and hash settings of one peer does not match the other.
I agree with Chris.