Server Fault Asked on December 7, 2021
I’am tryin to migrate from active directory windows server to Openldap i found a problem while importing .ldif database exported from AD to my new Openldap ! when i try to do :
ldapmodify -Y EXTERNAL -H ldapi:/// -f exportuser.ldf
i got :
dn:dc=si,dc=infra
changetype: add
objectClass: top
objectClass: domain
objectClass: domainDNS
distinguishedName: DC=si,DC=infra
instanceType: 5
whenCreated: 20140903112404.0Z
whenChanged: 20200710114957.0Z
subRefs: DC=ForestDnsZones,DC=si,DC=infra
subRefs: DC=DomainDnsZones,DC=si,DC=infra
subRefs: CN=Configuration,DC=si,DC=infra
uSNCreated: 4099
dSASignature:: AQAAACgAAAAAAAAAAAAAAAAAAAAAAAAAFZdkFLMGb0aPv8u9xkFAiw==
repsFrom::
AgAAAAAAAADwAQAAoQQAAEk0WhMDAAAArh8ZFQMAAADZBgAA2AAAABgBAABwAAAAERERERERERERER
ERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
ERERERERERERERERERERAAAAAKpXAQAAAAAAAAAAAAAAAACqVwEAAAAAAK5eK8JSo2VLj8lZCMtB4q
W2BWGS+bZXS5Ih2qP3nk/NAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAEAABgAAAAAAAAAkAAAAAAA
AAAAAAAAYwAyADIAYgA1AGUAYQBlAC0AYQAzADUAMgAtADQAYgA2ADUALQA4AGYAYwA5AC0ANQA5AD
AAOABjAGIANAAxAGUAMgBhADUALgBfAG0AcwBkAGMAcwAuAHMAaQBmAGEAcwB0AC4AaQBuAGYAcgBh
AAAAAAAAAAAAYwAyADIAYgA1AGUAYQBlAC0AYQAzADUAMgAtADQAYgA2ADUALQA4AGYAYwA5AC0ANQ
A5ADAAOABjAGIANAAxAGUAMgBhADUALgBfAG0AcwBkAGMAcwAuAHMAaQBmAGEAcwB0AC4AaQBuAGYA
cgBhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
repsFrom::
AgAAAAAAAADwAQAAblMAAJkvBQ8DAAAAWh8ZFQMAAAC6BgAA2AAAABgBAABwAAAAERERERERERERER
ERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERERER
ERERERERERERERERERERAAAAALrDDAAAAAAAAAAAAAAAAAC6wwwAAAAAANGWjIQnKUVChkMTYKaH0u
6nIrWbtxGPSZF02Z788HncAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAEAABgAAAAAAAAAkAAAAAAA
AAAAAAAAOAA0ADgAYwA5ADYAZAAxAC0AMgA5ADIANwAtADQAMgA0ADUALQA4ADYANAAzAC0AMQAzAD
YAMABhADYAOAA3AGQAMgBlAGUALgBfAG0AcwBkAGMAcwAuAHMAaQBmAGEAcwB0AC4AaQBuAGYAcgBh
AAAAAAAAAAAAOAA0ADgAYwA5ADYAZAAxAC0AMgA5ADIANwAtADQAMgA0ADUALQA4ADYANAAzAC0AMQ
AzADYAMABhADYAOAA3AGQAMgBlAGUALgBfAG0AcwBkAGMAcwAuAHMAaQBmAGEAcwB0AC4AaQBuAGYA
cgBhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uSNChanged: 88191049
name: si
objectGUID:: L2ettnpuxEaavgfWpC5gUQ==
replUpToDateVector::
AgAAAAAAAAACAAAAAAAAALYFYZL5tldLkiHao/eeT83zVwEAAAAAAEk0WhMDAAAApyK1m7cRj0mRdN
me/PB53MzDDAAAAAAAiiEFDwMAAAA=
creationTime: 132388553973680553
forceLogoff: -9223372036854775808
Some help please .???
You're trying to import an entry with an object class value not present in the subschema of your OpenLDAP server.
A migration from MS AD to OpenLDAP is not possible without importing much of MS AD schema. But even if you add the schema you would need other components really using that. In this particular case you would need a DNS server extracting DNS RRs from MS AD proprietary LDAP attributes.
A better alternative might be to migrate to Samba 4 in Active Directory mode which is supposed to be a drop-in replacement for MS AD.
Answered by Michael Ströder on December 7, 2021
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