Problem: Using udm Brings An Authentication Error


Using the udm command gives an error as follows:

authentication error: {'info': 'error:0B07C065:x509 certificate routines:X509_STORE_add_cert:cert already in hash table', 'desc': 'Connect error'}


Step 1

Make sure the certificate of the LDAP server (grep pem /etc/ldap.conf) matches the rootCA from this server.

root@ucs:/etc/ldap# grep cert.pem slapd.conf 
TLSCertificateFile	/etc/univention/ssl/
TLSCACertificateFile	/etc/univention/ssl/ucsCA/CAcert.pem

Step 2

Verify the host certificate matches the CA by using this article.