This is a compilation of common usage doubts, tips and workarounds.
User and group management operations typically require secure (SSL) connections. To be able to do this operations you must have a digital certificate from the LDAP server installed on your JVM. See this page for how to install the certificate on your JVM.
Most probably the parameter value contains at least a space character. Values like this is a parameter value are disallowed for parameters. Use underscores instead of spaces, like this: this_is_a_parameter_value.