Can not connect to my sandbox cluste

I’ve read lots of topic and i’ve not see anything quite like the problem i’m having.

The mongo shell is instaled and working (see image).

I pasted the connection string that atlas give to me and nothing.

Thought was some kind of firewall problem so double check the network access (also my computer firewall is unabled).

I have no idea what to do.

Hi @Cassio_73596,

Can you please translate to English the error message in the screenshot?


“DNSHostNotFound: Failed to look up service “”: This operation was returned because the timeout expired”

Hi @Cassio_73596,

Which version of Mongo Shell are you using?

Please make sure that you download the latest version of MongoDB Enterprise Server from here and also update the path for the new installed version.

Please let me know, if you have any questions.


I’ve instaled the 4.0.10 version

Hi @Cassio_73596,

I am able to connect to your sandbox cluster using the following connection string:

mongo mongodb+srv:// --username m001-student --password m001-mongodb-basics

Please check the screenshot below:

If you are not able to connect using the above connection string, try to run following command in your terminal:


Also make sure that any firewall or antivirus is disabled.


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