i forgot user name and password

[PUSPANJALI BISWAL]

first time i am setting up JIRA

for login, its asking for username and password, that i dont remember

[Chu Dam]

Hi,

If you have another user that is administrator for jira, then you can change the password of this original administrator account.

Here is the documentation to changer a password in Jira Server / Data Center: 

https://confluence.atlassian.com/adminjiraserver/create-edit-or-remove-a-user-938847025.html#Create,edit,orremoveauser-Changeapassword

I hope it helps. 

Cheers,
Dam.