# WMI credential check for Windows devices

- From OpManager server, click on "Start->Run--->wbemtest" and click on OK. This will launch WMI Tester.

- Click on "Connect" and in the top box type in `\\<Device Name>\root\cimv2`

- In the Credentials, type in the user name and password used in OpManager and choose "Connect"

- If all the query buttons in WMI Tester are activated, there is no trouble with the connection and WMI. If not, check the user name and password, firewall, or the services.

To check from OpManager, follow the steps given below:

- Go to Settings -> Credentials -> Test Credentials
- Choose the device type and the devices for which the test credential schedule needs to be run.
- If you would like to run the test credential schedule right now, choose the "Execute now" option.
- If you would like to schedule the test credential, choose the schedule option and select the time duration in which the test credential should be run.
- In the next screen, if you wish to receive the test credential report as an email, enter the email address, subject, and message.

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