Hi Oscar,
Looking at the log there is this line.Hash is Phase1 part of tunnel authentication, check the share secret tunnel password in the vpn client that is using currect pw for tunnel authentication.
60 17:47:27.688 12/04/08 Sev=Info/4 IKE/0x63000014
RECEIVING <<< ISAKMP OAK INFO *(HASH, NOTIFY:INVALID_ID_INFO) from x.x.x.126
Rgds
Jorge
Jorge Rodriguez
