https://community.hpe.com/t5/operating-system-hp-ux/ipsec-invalid-isakmp-cookie/m-p/3488673#M562288 When backup in data from an Windows server to an UNIX server via IPSec (both DP on HP-UX and Legato on SUN) it works fine for a while, then the connection seems to fail. It works fine to ping the server all the time. It works fine to backup a HP-UX server via IPSec to a Legato env. on Solaris.<BR />Below one of the errors when backup the Windows server. (I appear after a while)<BR /><BR /><BR />/usr/lib/inet/in.iked: [ID 452145 daemon.notice] IKE_INVALID_COOKIE: 20050217181512: Source addr:192.36.176.142 Destination addr:192.36.176.216 Description:Received invalid ISAKMP cookie<BR /> Fri, 18 Feb 2005 05:39:28 GMT Fredric Vådegård 2005-02-18T05:39:28Z https://community.hpe.com/t5/operating-system-hp-ux/ipsec-invalid-isakmp-cookie/m-p/3488673#M562288 When backup in data from an Windows server to an UNIX server via IPSec (both DP on HP-UX and Legato on SUN) it works fine for a while, then the connection seems to fail. It works fine to ping the server all the time. It works fine to backup a HP-UX server via IPSec to a Legato env. on Solaris.<BR />Below one of the errors when backup the Windows server. (I appear after a while)<BR /><BR /><BR />/usr/lib/inet/in.iked: [ID 452145 daemon.notice] IKE_INVALID_COOKIE: 20050217181512: Source addr:192.36.176.142 Destination addr:192.36.176.216 Description:Received invalid ISAKMP cookie<BR /> Fri, 18 Feb 2005 05:39:28 GMT https://community.hpe.com/t5/operating-system-hp-ux/ipsec-invalid-isakmp-cookie/m-p/3488673#M562288 Fredric Vådegård 2005-02-18T05:39:28Z