# \#ko

**URL:** https://forums.digi.com/tag/ko/2535.md

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## [Which Required key not available?](https://forums.digi.com/t/which-required-key-not-available/15936)

<div class="topic-metadata">

**Author:** [@niki1444](https://forums.digi.com/u/niki1444)\
**Replies:** 2\
**Last updated:** [December 15, 2015, 8:09am UTC](https://forums.digi.com/t/which-required-key-not-available/15936 "2015-12-15T08:09:15Z")

</div>

After succesfull installation of the driver for Portserver TS 16 on SLES11 SP4 - Kernel 3.0.101-63-default - and start of /etc/rc.d/dgrp\_daemon I am faced with the following error: insmod: error inserting ‘/lib/modules/…