Minimserver not seen by Minimwatch and devices

[Nothung]

Hi
I have been using Minimserver without any problems for a long time until I had to disconnect my Router, PC, NAS etc for decorating the room. When things were put back together Minimserver was running normally on my NAS but Minimwatch and control points were not seeing Minimserver though it did sometimes appeared briefly on one control point. I have done everything I can think of including udating to Synology 7 and reinstalling Minimserver and followed the steps in Simon's guide about firewalls but the problems persist.
Current situation is my iPad is now finding Miimserver using the HEOS and Streamagic apps but Minimimwatch is still greyed out and my 2 TVs don't see it though they find my Denon and Marantz streamers on the network.

Minimwatch Log
MinimWatch 2.0.8 update 93, Copyright © 2012-2021 Simon Nash. All rights reserved.
Java™ SE Runtime Environment (build 1.8.0_311-b11)
Java HotSpot™ 64-Bit Server VM (build 25.311-b11, mixed mode)
Platform default charset is windows-1252
System platform is windows-x64
Active subnet is 192.168.1.0
Startup complete

Any help would be much appreciated.
Regards