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 |