## Maximum Name Sizes

The following table lists the maximum sizes for Directory Service names. Note that the limits are implementation-specific, not architectural.

Maximum Sizes of Directory Service Names

Name Type | Maximum Size (characters)
CDS simple name (character string between two slashes) | 254
CDS full name (including global or local prefix, cell name, and slashes separating simple names) | 1023
GDS relative distinguished name | 64
GDS distinguished name | 1024
DNS relative name (character string between two dots) | 64
DNS fully qualified name (sum of all relative names) | 255