URL:
https://github.com/SSSD/sssd/pull/193
Title: #193: UTIL: Use max 15 characters for AD host UPN
lslebodn commented:
"""
Thank you for review after two weeks.
I was able to find in msdn documentation that `sAMAccountName` must be less than 20
characters and computers have to have '$' sign at the end; + that it should be
derived from netbios name.
https://msdn.microsoft.com/en-us/library/ms677605(v=vs.85).aspx#sAMAccoun...
https://msdn.microsoft.com/en-us/library/cc245685.aspx
https://msdn.microsoft.com/en-us/library/cc220838.aspx
I was not able to find anything about 15 characters (maybe it is a limitation of netbios
name). But samba and adcli uses at most 15 characters for UPN.
@abbra I know you are very familiar with AD related documentation. Could you help us?
"""
See the full comment at
https://github.com/SSSD/sssd/pull/193#issuecomment-290456967