Finding yourself stuck with the "Could Not Load SSL Library" error in Delphi 7 with Indy 9 is a classic headache. It almost always boils down to a mismatch between what Indy expects and what is actually on your system.
The error "Could not load SSL Library" in Delphi 7 with Indy 9 is typically caused by missing or incompatible OpenSSL binaries. Because Indy 9 is extremely old, it relies on specific, often customized, legacy builds of OpenSSL that differ from modern standards. 1. Primary Cause: Incompatible DLL Versions
Missing Exports: Indy 9 specifically looks for functions ending in _indy in some builds, which standard OpenSSL binaries do not have. Step-by-Step Resolution 1. Download the Correct DLLs Delphi 7 Indy 9 Could Not Load Ssl Library
libeay32.dll and ssleay32.dll.
Next, the ones from a old SVN repository. Error.
Version requirement: Indy 9 generally supports OpenSSL v0.9.6 through v1.0.2u. It does not natively support OpenSSL 1.1.x or 3.x. Finding yourself stuck with the "Could Not Load
exception in Delphi 7 is a rite of passage for many legacy developers. It typically occurs because Indy cannot find or properly interface with the required OpenSSL binary files on your system. Here is how to troubleshoot and fix this issue. 1. Identify the Exact Root Cause
The "Could not load SSL library" error in Delphi 7 with Indy 9 usually occurs because the application cannot find the correct version of the required OpenSSL DLLs. Indy 9 is compatible with older versions of OpenSSL and often requires specific builds to function correctly. 1. Download Compatible DLLs Requirement: You need the OpenSSL 0
However, in Indy 9, the easiest "code fix" is often to check the IdSSLOpenSSL.pas unit. Ensure the DLL names are defined correctly: