White Papers

Dell Management Plug-in for VMware vCenter: Enabling a Dell Server for Server Management in vCenter
12
3. Place a checkmark in the box beside the hosts you want to select, and click Test Selected.
Test Connection Failures
The following cases explain situations that can cause Test Connection Failures.
Pre-Dell 12
th
Generation PowerEdge Servers
Host Credentials will fail for one of the following cases:
a. Credentials changed to incorrect credentials for a host in a connection profile which has lockdown
mode disabled.
b. After adding a host to connection profile which has lockdown mode disabled, lockdown mode is
enabled on that host. Test will fail for at least next 30 minutes for this host. If the connection still
fails after 30 minutes, then restart either host or the management agents on that host.
c. No Agent (OMSA) is installed.
d. Not able to reach host common reasons include:
1. Host is not online or rebooting.
2. Host is not reachable from appliance; if hosts are added with the DNS names or FQDN in
the vCenter server, then make sure that appliance can access those hosts via the DNS
configuration present in the appliance.
3. Any other networking and/or routing problems; check the network and DNS configuration
in the appliance.
iDRAC Credentials will fail for one of the following cases:
a. iDRAC is not present on the server.
b. Any condition mentioned above for Pre-Dell 12
th
Generation PowerEdge Server Host Credentials
failure is true.
c. iDRAC credentials are incorrect.
d. Not able to reach the iDRACcommon issues included:
1. iDRAC is not online or rebooting/resetting.
2. iDRAC is not reachable from appliance; check appliance’s network configuration.
Dell 12
th
Generation PowerEdge Servers
Host Credentials will fail for one of the following cases:
a. Credentials changed to incorrect credentials for a host in a connection profile which has lockdown
mode disabled.
b. After adding a host to connection profile which has lockdown mode disabled, lockdown mode is
enabled on that host. Test will fail for at least next 30 minutes for this host.
iDRAC Credentials will fail for one of the following cases:
a. Any condition mentioned above for Dell 12
th
Generation PowerEdge Server Host Credentials failure
is true.
b. Not able to reach the iDRAC, as mentioned above.
Here is an example screen of a “Test Connection” in action.