A retrospective on moving a regulated UK care management platform to Azure: weeks of parallel running, online database sync with Azure DMS, a two-database surprise on cutover night, and the lessons I'd apply next time.

Resolving an OpenLDAP service failure on a VM snapshot — fixing hostname identity mismatches, loopback address issues, olcServerID with CRC32 recalculation, and removing leftover replication config from the source server.

An internal LDAP certificate renewal failed due to incorrect SELinux contexts on transferred certificate files. Despite correct permissions and ownership, OpenLDAP couldn't initialise TLS. Using restorecon to fix the security context resolved the issue immediately, highlighting the importance of SELinux context verification in certificate deployments.