20 Active Directory Domain Name Max Length Update

Fully qualified domain names fqdns in active directory cannot exceed 64 characters in total length including hyphens and periods.

Active directory domain name max length. Noodleofdeath oct 9 18 at 16 54. On msdn no length is given and neither in rfc 822. The maximum total length of a user name is 64 characters.

The maximum length of the host name and of the fully qualified domain name fqdn is 63 bytes per label and 255 characters per fqdn. Would be considered to be five characters long. Minimum length of a domain name is 1 character not including extensions.

Using chicago as an example chjm001 chjm002 chwp001 chwp002. Specifying web and wp or joomla is kind of redundant as is having server as part of the name. I believe the userprincipalname the user logon name on the account tab of aduc can be up to 104 characters.

Per the link the maximum length of the user pre windows 2000 logon name samaccountname is 20 characters. However all 1 character domain names are reserved by the registry. The latter is based on the maximum path length possible with an active directory domain name with the paths needed in sysvol and this needs to obey to the 260 character max.

As already pointed out the max length for a sql server security principal is sysname which is nvarchar 128. The maximum length of the common name the name field in aduc is 64. Personally i d keep it super simple.

The latter is based on the maximum path length possible with an active directory domain name with the paths needed in sysvol and this needs to obey to the 260 character max path limitation. The maximum total length of a reverse path or forward path is 256 characters including the punctuation and element separators. But this is coming from a guy who names his workstations by phone extension i e.