MongoDB sharding on Windows using Docker containers

You don't have to do everything by yourself. You can also tell me how can we solve the problem. If your solution works then you will get paid, guranteed. :) We have a large MongoDB collection ( around 60 million documents ). We tried to shard the collection but got an error when tried to add a shard to the mongos. The error message is "Failed to refresh the balancer settings:: caused by :: Could not find host matching read preference { mode: "nearest"} for set cfgrs" "cfgrs" is the config server We have 4 shards. shard 1, config servers and monogs (router) is on the main PC ( DESKTOP-4KCIA3T). We can add shard 1 without any problem but the error occurs when we try to add other shards from different PC. ### Shards for `pages` collection ### Config Server PC name: `DESKTOP-4KCIA3T` Disk Type: `SSD` Containers: `[cfgsvr1]` Replicas: `[cfgrs]` PORTS: `[40001]` IP: `[....]` #### Shard 1 PC name: `DESKTOP-4KCIA3T` Disk Type: `SSD` Containers: `[shard1svr1]` Replicas: `[shard1rs]` PORTS: `[50001]` IP: `[....]` #### Shard 2 PC name: `NEWDATAPC 7` Disk Type: `SSD` Containers: `[shard2svr1]` Replicas: `[shard2rs]` PORTS: `[50001]` IP: `[.....]` #### Shard 3 PC name: `NEWDATAPC 6` Disk Type: `SSD` Containers: `[shard3svr1]` Replicas: `[shard3rs]` PORTS: `[50001]` IP: `[.....]` #### Shard 4 PC name: `Post-Match-Main` Disk Type: `SSD` Containers: `[shard4svr1]` Replicas: `[shard4rs]` PORTS: `[50001]` IP: `[.....]` If you have any idea what we are doing wrong please let us know. Let us know if you have any questions.