esx iscsi error Call ïscsimanager.query candidatenics"

In my lab environment I used iscsi as my shared storage. Today I have removed network adapters from software iscsi adapter to do some other networking stuff. After a while when im trying to reconfigure iscsi im getting below error

Call ïscsimanager.query candidatenics”

To resolve this problem I had to reset iscsi from esx shell by following below steps

Logged to the esx host & find iscsi related config files

VMware-Migrate iscsi traffic from standard switch to distribute switch

Option01

When we are having some extra network adapsters. We can follow below steps.

1. In thi slab environment, we have two nics for existing iscsi connection using Vmware standard swtich.
   1. Esx01.mobilab.local have one standard switch configured for iscsi traffic

1. Now we have configured vmware distributed switch and added vmnic4 & vmnic5 to this distributed switch & all the ip address configured.