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AD aggregation error - [LDAP: error code 12 - 00000057: LdapErr: DSID-0C090831
AD aggregation error - [LDAP: error code 12 - 00000057: LdapErr: DSID-0C090831
Symptoms
During an aggregation using the Active Directory connector, the following error is returned:
LDAP: error code 12 - 00000057: LdapErr: DSID-0C090831, comment: Error processing control, data 0, v2580
The event log on the Windows host will show the Internal Event:
"The LDAP server has exceeded the limit of the LDAP Maximum Result Set Size."
Solution
This error is a result of the Active Directory Domain Controller server's configuration. The MaxResultSetSize is too low. The administrator of the server must increase the maximum result set size. The standard guidance, if the server has enough memory, is to increase the limit to 250 MB or great, from the default of 262 KB, provided the server has sufficient memory to handle these requests.
Refer to the Microsoft documentation for additional context and guidance.
