Unable to login with AD ID in NETAPP OUM

[Bidyut]

Unable to login with AD ID in NETAPP OUM.

Previously we used to login but suddenly not able to login ,showing authentication failure .

[Ontapforrum]

Has anything changed? OCUM upgraded ?
Is the domain\user 'password' hasn't changed? Try login to any server within that DC environment, with the same account and see if the password is working.

Reset the password and try again.

1) Login to OCUM, as 'admin' (Don't know which version you are running)
2) Go to Settings | Setup | Authentication and check if the settings are correct.

[Bidyut]

i have added the DCO again and it added the new certificate again