https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134762#M50663 Try to stop pegasus(mail server). (service pegasus stop), then uninstall hp tool, then start pegasus (service pegasus start).<BR /> Wed, 22 Oct 2008 13:20:40 GMT sts_1 2008-10-22T13:20:40Z https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134760#M50661 ipmi_si_drv: Device or resource busy<BR />Unable to remove module ipmi_si_drv!<BR />Make sure all applications using the IPMI interface<BR />have been terminated before removing this package.<BR />error: %preun(hp-OpenIPMI-7.9.1-26.vmware30) scriptlet failed, exit status 1<BR /><BR />Ole Thomsen<BR /> Thu, 09 Oct 2008 11:09:42 GMT https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134760#M50661 Ole Thomsen_1 2008-10-09T11:09:42Z https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134761#M50662 Subject should have been "Error UNinstalling ESX agent 7.9.1 " of course :-)<BR /><BR />Ole Thomsen<BR /> Thu, 09 Oct 2008 11:17:58 GMT https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134761#M50662 Ole Thomsen_1 2008-10-09T11:17:58Z https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134762#M50663 Try to stop pegasus(mail server). (service pegasus stop), then uninstall hp tool, then start pegasus (service pegasus start).<BR /> Wed, 22 Oct 2008 13:20:40 GMT https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134762#M50663 sts_1 2008-10-22T13:20:40Z https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134763#M50664 Thanks.<BR /><BR />I received this solution in the Vmware forum earlier, but forgot to close this thread.<BR /><BR />But you are perfectly right!<BR /><BR />Ole Thomsen Wed, 22 Oct 2008 17:33:43 GMT https://community.hpe.com/t5/server-management-systems/error-installing-esx-agent-7-9-1/m-p/5134763#M50664 Ole Thomsen_1 2008-10-22T17:33:43Z