https://communities.vmware.com/t5/VMware-vSphere-Discussions/VMware-vSphere-6/m-p/2820018#M37327 <DIV>I am facing the below issue suddenly in Esxi host Version 6.7<BR /><BR />Cannot contact the specified host (*.*.*.*). The host may not be available on the network, a network configuration problem may exist, or the management services on this host may not be responding.<BR /><BR />Host connection and power state. Cannot synchronize host *.*.*.*<BR /><BR />Vsphere has been configured in another range *.*.*.* which will interact through agents.<BR /><BR />following mitigation action has been taken:<BR /><BR />1. restarted the management network.<BR />2. restarted the Esxi host.<BR />3. IP,Gateway and DNS servers ping works.<BR />4. Datastores having enough free space.<BR />5. VMs running in the Esxi host are accessible.<BR />6. agents are up and running.<BR />7. Network and DC team have confirmed that no issues at the network and server end.<DIV>&nbsp;</DIV><DIV>Could you please share your suggestions .</DIV></DIV> Thu, 31 Dec 2020 12:13:53 GMT vellu1981 2020-12-31T12:13:53Z https://communities.vmware.com/t5/VMware-vSphere-Discussions/VMware-vSphere-6/m-p/2820018#M37327 <DIV>I am facing the below issue suddenly in Esxi host Version 6.7<BR /><BR />Cannot contact the specified host (*.*.*.*). The host may not be available on the network, a network configuration problem may exist, or the management services on this host may not be responding.<BR /><BR />Host connection and power state. Cannot synchronize host *.*.*.*<BR /><BR />Vsphere has been configured in another range *.*.*.* which will interact through agents.<BR /><BR />following mitigation action has been taken:<BR /><BR />1. restarted the management network.<BR />2. restarted the Esxi host.<BR />3. IP,Gateway and DNS servers ping works.<BR />4. Datastores having enough free space.<BR />5. VMs running in the Esxi host are accessible.<BR />6. agents are up and running.<BR />7. Network and DC team have confirmed that no issues at the network and server end.<DIV>&nbsp;</DIV><DIV>Could you please share your suggestions .</DIV></DIV> Thu, 31 Dec 2020 12:13:53 GMT https://communities.vmware.com/t5/VMware-vSphere-Discussions/VMware-vSphere-6/m-p/2820018#M37327 vellu1981 2020-12-31T12:13:53Z https://communities.vmware.com/t5/VMware-vSphere-Discussions/VMware-vSphere-6/m-p/2820097#M37345 <P>Hello.<BR />If your server is a brand name (Lenovo, Dell .. etc), it is recommended that you install vmware with the manufacturer's custom image.<BR />Because of the connection problem you may suspect the driver and firmware of the network card, maybe the provider has some problem reported with this network card.</P> Thu, 31 Dec 2020 20:07:36 GMT https://communities.vmware.com/t5/VMware-vSphere-Discussions/VMware-vSphere-6/m-p/2820097#M37345 e_espinel 2020-12-31T20:07:36Z