AuthInfoRequired username password showing while CUPS printing

While doing print using SMB printer, authentication are not being passed automatically. so that cups print job hold for authentication.


The print job stucked in print queue with status 'Held for authentication'. It will print,Once we will manually click on release.


But manually action is not a solution for bulk print job.


Sometime it will work if we change AuthInfoRequired none instead of AuthInfoRequired username,password.



It observed that after cups daemon restarts, it puts the AuthInfoRequired username,password again in printers.conf file.



Solution:-

It seems the issue has been fixed with the latest updates (of samba?).

If you have don't want to update. do the below activity.


Edit

/etc/samba/smb.conf

Add a line

client max protocol = NT1

Restart smb

#service smb restart





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