diff --git a/src/main/java/jenkins/security/plugins/ldap/LDAPConfiguration.java b/src/main/java/jenkins/security/plugins/ldap/LDAPConfiguration.java
index 7aa22444..aa80483e 100644
--- a/src/main/java/jenkins/security/plugins/ldap/LDAPConfiguration.java
+++ b/src/main/java/jenkins/security/plugins/ldap/LDAPConfiguration.java
@@ -36,6 +36,8 @@
 import hudson.util.Secret;
 import jenkins.model.Jenkins;
 import java.nio.charset.StandardCharsets;
+
+import jenkins.security.FIPS140;
 import org.apache.commons.lang.StringUtils;
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.NoExternalUse;
@@ -411,6 +413,9 @@ public FormValidation doCheckServer(@QueryParameter String value, @QueryParamete
             if(!Jenkins.get().hasPermission(Jenkins.ADMINISTER))
                 return FormValidation.ok();
 
+            if(FIPS140.useCompliantAlgorithms() && managerPassword.length() < 14)
+                return FormValidation.error(Messages.LDAPSecurityRealm_AuthenticationFailedNotFipsCompliantPass());
+
             Context ctx = null;
             try {
                 Hashtable<String,Object> props = new Hashtable<>();
diff --git a/src/main/resources/jenkins/security/plugins/ldap/Messages.properties b/src/main/resources/jenkins/security/plugins/ldap/Messages.properties
index 081a03e3..e16cb22f 100644
--- a/src/main/resources/jenkins/security/plugins/ldap/Messages.properties
+++ b/src/main/resources/jenkins/security/plugins/ldap/Messages.properties
@@ -6,6 +6,7 @@ LDAPSecurityRealm.LoginHeader=Login
 LDAPSecurityRealm.AuthenticationSuccessful=Authentication: successful
 LDAPSecurityRealm.AuthenticationFailed=Authentication: failed for user "{0}"
 LDAPSecurityRealm.AuthenticationFailedEmptyPass=Authentication: failed for user "{0}" with empty password
+LDAPSecurityRealm.AuthenticationFailedNotFipsCompliantPass=Authentication failed: your password must be at least 14 characters long
 LDAPSecurityRealm.UserId=User ID: {0}
 LDAPSecurityRealm.UserDn=User DN: {0}
 LDAPSecurityRealm.UserConfiguration=User Server: {0}