Hi, Can Celerra join into a Windows domain if domain name includes underscore( _ ) ? Microsoft states that domain name including underscore is not supported. However, It seems that Windows Storage Server can join into a domain including underscore.
Typically underscore is not used with Active Directory domain names as each AD corresponds to a DNS Domain as well and Internet DNS domains can not contain underscore. However, if the existing AD domain has an underscore - I understand there is no issue with Celerra CIFS server joining the AD Domain which has a underscore in the domain name. I remember one of my colleague tested it to work - but you may not get any official statement of support.
However, since you have already mentioned that Microsoft does not support domain with underscore - I wonder whether really you want a domain name with underscore.