[2018/10/18:11:31:10.528]
ERROR: Import from file D:\support\adprep\sch78.ldf failed. Error file is saved in C:\Windows\debug\adprep\logs\20181018113106\ldif.err.78.
If the error is "Insufficient Rights" (Ldap error code 50), please make sure the specified user has rights to read/write objects in the schema and configuration containers, or log off and log in as an user with these rights and rerun forestprep. In
most cases, being a member of both Schema Admins and Enterprise Admins is sufficient to run forestprep.
[2018/10/18:11:31:11.559]
ERROR: The directory service refused the request for schema upgrade: 52 (Unavailable)
If the error code is "Insufficient Rights", make sure you supply a user who is a member of the schema admin group.
[2018/10/18:11:31:11.591]
Adprep was unable to upgrade the schema on the schema master.
[Status/Consequence]
The schema will not be restored to its original state.
[User Action]
Check the Ldif.err log file in the C:\Windows\debug\adprep\logs\20181018113106 directory for detailed information.
[2018/10/18:11:31:11.606]
Adprep was unable to update forest information.
[Status/Consequence]
Adprep requires access to existing forest-wide information from the schema master in order to complete this operation.
[User Action]
Check the log file, ADPrep.log, in the C:\Windows\debug\adprep\logs\20181018113106 directory for more information.
Entry DN: CN=Expiring Group Membership Feature,CN=Optional Features,CN=Directory Service,CN=Windows NT,CN=Services,CN=Configuration,DC=corp,DC=xxxxxx,DC=com
Add error on entry starting on line 11: Server Down
An error has occurred in the program