1. View-Your-public IP
http://www.ip138.com/
650) this.width=650; "height=" 306 "title=" clip_image002 "style=" border:0px; "alt=" clip_image002 "src=" http:/ S3.51cto.com/wyfs02/m01/54/53/wkiol1r_jnhso3ykaahcz_7ecvm778.jpg "border=" 0 "/>
2. Modify-Your-public network a record
https://www.godaddy.com/
650) this.width=650; "height=" 484 "title=" clip_image003 "style=" border:0px; "alt=" clip_image003 "src=" http:/ S3.51cto.com/wyfs02/m02/54/53/wkiol1r_jngwttnkaagfvcopsu4033.jpg "border=" 0 "/>
3. Modify-Your-topology-for-Edge Server
3.1. Remote-front-end server
3.2. Download-Topology
3.3. Select-Edge Server
3.4. Select-Edge Server
3.5. Modify-Public IP
116.230.255.78
650) this.width=650; "height=" 352 "title=" clip_image005 "style=" border:0px; "alt=" clip_image005 "src=" http:/ S3.51cto.com/wyfs02/m00/54/53/wkiol1r_jnlzdr2xaaeufymhzdk346.jpg "border=" 0 "/>
3.5. Release-Topology
3.6. Export-Topology
3.7. Copy-topology-generate-file-to-Edge server
3.8. Run the-lync Server Deployment Wizard
Install and update the Lync Server System
Step One
Step Three
3.9. Restart-Services-Edge Server
4. Test-your-public network-use
Https://mail.i-x-Cloud.com/ECP
Https://LyncPool01.i-x-Cloud.com/CSCP
5. If the above is normal, congratulations, you have nothing to worry about, wait for the next IP change it.
This article is from the "it-standardization" blog, make sure to keep this source http://dynamic.blog.51cto.com/711418/1586127
Lync Tips -42-Dynamic-ip-Unified Communication-environment-ip-after change-action