Hi, I am installing openLDAP 2.3.28 with BerkeleyDB.4.6. I have already installed BerkeleyDB.4.6 export CPPFLAGS="-I/usr/local/BerkeleyDB.4.6/include -I/usr/local/ssl/include/openssl" export LDFLAGS="-L/usr/local/BerkeleyDB.4.6/lib -L/usr/local/ssl/lib" ./configure --enable-slapd --enable-sql --with-cyrus-sasl --enable-crypt Configuring OpenLDAP 2.3.38-Release ... checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking target system type... x86_64-unknown-linux-gnu checking for a BSD-compatible install... /usr/bin/install -c ..... ..... checking for Berkeley DB major version... 4 checking for Berkeley DB minor version... 6 checking for Berkeley DB link (-ldb-4)... yes checking for Berkeley DB version match... no configure: error: Berkeley DB version mismatch ------------------------------------------------------------------------------------------------------------- I have installed BerkeleyDB.4.6 Then why it is giving version mismatch error ? Please reply Thanks Rakesh Yadav