diff --git a/lib/dns/opensslrsa_link.c b/lib/dns/opensslrsa_link.c
index 335816f71a..611ad8788d 100644
--- a/lib/dns/opensslrsa_link.c
+++ b/lib/dns/opensslrsa_link.c
@@ -17,7 +17,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: opensslrsa_link.c,v 1.9 2006/10/10 02:30:10 marka Exp $
+ * $Id: opensslrsa_link.c,v 1.10 2006/10/11 02:15:59 marka Exp $
  */
 #ifdef OPENSSL
 
@@ -43,6 +43,19 @@
 #include <openssl/bn.h>
 #endif
 
+/*
+ * We don't use configure for windows so enforce the OpenSSL version
+ * here.  Unlike with configure we don't support overriding this test.
+ */
+#ifdef WIN
+#if !((OPENSSL_VERSION_NUMBER >= 0x009070cfL && \
+       OPENSSL_VERSION_NUMBER < 0x009080000L) || \
+      OPENSSL_VERSION_NUMBER >= 0x0090804fL) 
+#error Please upgrade OpenSSL to 0.9.8d/0.9.7l or greater.
+#endif
+#endif
+
+
 	/*
 	 * XXXMPA  Temporarially disable RSA_BLINDING as it requires
 	 * good quality random data that cannot currently be guarenteed.