"
2014-11-18T09:28:45.580-03:00 [03888 error 'HttpConnectionPool-000000'] [ConnectComplete] Connect failed to <cs p:039e0ea0, TCP:192.168.0.46:443>; cnx: (null), error: class Vmacore::Ssl::SSLVerifyException(SSL Exception: Verification parameters:
--> PeerThumbprint: F3:6A:20:58:5C:6B:22:70:6E:B6:50:FD:7A:44:D6:52:F7:75:B2:E5
--> ExpectedThumbprint:
--> ExpectedPeerName: 192.168.0.46
--> The remote host certificate has these problems:
-->
--> * The host certificate chain is incomplete.
-->
--> * Host name does not match the subject name(s) in certificate.
-->
--> * unable to get local issuer certificate)"
Looks like an issue with the certificate on the vcenter server. Make sure you have a dns record, the ssl cert is proper, the subject name on the cert matches etc.
Alternatively, you could try to disable SSL communication completely: