https://community.cisco.com/t5/network-security/adding-device/m-p/3000133#M1008860 <P>Hello Pablo, just to confirm:</P> <P>- Your FireSIGHT is running 5.3.1&nbsp;</P> <P>- Your Sensor is running 5.4.0.1</P> <P>If so, you will need to upgrade your FireSIGHT to 5.4.0.1 and then you should be able to add the device. Alternatively, you can re-image the sensor to match version 5.3.1 which should also allow you to add it to FireSIGHT.&nbsp;</P> <P>I hope this helps!</P> <P><EM>Thank you for rating helpful posts!</EM></P> <P></P> <P></P> Fri, 23 Dec 2016 19:36:04 GMT nspasov 2016-12-23T19:36:04Z https://community.cisco.com/t5/network-security/adding-device/m-p/3000132#M1008857 <P>Hi.</P> <P></P> <P>I'm having issues adding the devices to Defense Center 750 5.3.1, I'm gettinh this error message:</P> <P><SPAN class="ext-mb-text"></SPAN></P> <P><SPAN class="ext-mb-text" id="x-auto-113-content">ERROR - Sensor has a newer version (5.3.1 vs 5.4.0.1)</SPAN></P> <P><SPAN class="ext-mb-text"></SPAN></P> <P><SPAN class="ext-mb-text">I tried to update the device with no success. Any thoughts?</SPAN></P> Tue, 12 Mar 2019 13:13:53 GMT https://community.cisco.com/t5/network-security/adding-device/m-p/3000132#M1008857 pablo.arcelcr 2019-03-12T13:13:53Z https://community.cisco.com/t5/network-security/adding-device/m-p/3000133#M1008860 <P>Hello Pablo, just to confirm:</P> <P>- Your FireSIGHT is running 5.3.1&nbsp;</P> <P>- Your Sensor is running 5.4.0.1</P> <P>If so, you will need to upgrade your FireSIGHT to 5.4.0.1 and then you should be able to add the device. Alternatively, you can re-image the sensor to match version 5.3.1 which should also allow you to add it to FireSIGHT.&nbsp;</P> <P>I hope this helps!</P> <P><EM>Thank you for rating helpful posts!</EM></P> <P></P> <P></P> Fri, 23 Dec 2016 19:36:04 GMT https://community.cisco.com/t5/network-security/adding-device/m-p/3000133#M1008860 nspasov 2016-12-23T19:36:04Z