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New Release: Symas OpenLDAP 2.4.45-4

Updated: Aug 25, 2021

Symas is continuously striving to provide our customers with excellent products. This on-going pursuit leads us to offer the new Production release of Symas OpenLDAP, Gold 2.4.45-4. Current customers, please visit the Downloads page to download Symas OpenLDAP Gold 2.4.45-4 for RedHat/CentOS 6 & 7, Debian 6, 7, 8 & 9, Ubuntu 14 and 16, SuSE 11.4, 12.0, 12.1, 12.2 & 12.3, SunOS/Solaris 10 & 11 and Windows. Our Silver version is available to anyone wanting to try our product and can be downloaded from To upgrade to Gold, please contact our Sales Department at or by calling (855)796-2726.

Release Highlights: This release is the fourth for OpenLDAP 2.4.45. It contains an upgrade to OpenSSL 1.0.2n and Heimdal 7.5.0. It also contains several critical replication related fixes. This release is recommended for all users. Users that have configured their installation for replication are strongly advised to upgrade.

Upgrade warning: This release has the potential to change the on-disk format for LMDB/MDB databases for versions prior to

Note: If you are setting or changing the back-mdb values multival_hi and multival_lo it will be necessary to back up any affected databases using slapcat before making the change and restoring them with slapadd after making the change. If you are not setting these values then a database reload is not needed. Please contact support for additional assistance. Back-BDB/HDB databases are unaffected.

Note: This release has the potential to change the schema requirements for slapo-ppolicy for customers using the cn=config backend if it was configured prior to the SOLD release. If upgrading from a release prior to and slapo-ppolicy is in use via cn=config, then it will be necessary to modify the schema for ppolicy prior to upgrading. Specifically, the following attribute definition must be added:

olcAttributeTypes: {16}( NAME ‘pwdMaxRecordedFailure’ EQUALITY integerMatch ORDERING integerOrderingMatch SYNTAX SINGLE-VALUE )

As always, please review the Release Notes in detail prior to installation.

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