The holographic remoting play suddenly does not work

Suddenly hologram remoting play does not work during a project. The WIFI in use is dynamically assigned an IPv4 address through DHCP. The HolLens2 address used for holographic remoting play has been repeatedly changed in the past because if the device is not connected for a long time, the assigned address is released, and when connected later, the IPv4 address is assigned again. Again, the address was changed to a new address, so I renewed the remote address once again with the address shown in the HoloLens2 remoting app. But this time it suddenly didn't work. Is there a reason? Also, hologram remote play suddenly doesn't work for my projects, as well as for remoting play projects provided by Microsoft's official page. I reinstalled the hologram remoting player app on HoloLens2 and reinstalled the same version that I was using openXR through the mixed reality feature tool. Unity version is no different from previous versions where hologram remoting play worked well. Is there any other way to solve the problem?

In addition, I will provide a log of the problems below. The IP address is exactly the same, and the port number is 8265 or 8266 according to the page provided by Microsoft, so the default number is 8265.

I also checked the ip address and port number, and checked the homepage and documents such as Microsoft Learning carefully, so these basic answers are not helpful to me. I'm leaving a question because I've considered all of this and it didn't work out.

[Error Log]

[AppRemotingSubsystem] Cannot establish a connection to Holographic Remoting Player on the target with IP Address 192.168.123.116:8265.

UnityEngine.Debug:LogError (object)

Microsoft.MixedReality.OpenXR.Remoting.AppRemotingSubsystem:OnSessionLossPending () (at Library/PackageCache/com.microsoft.mixedreality.openxr@1.8.1/Runtime/Subsystems/AppRemotingSubsystem.cs:202)

Microsoft.MixedReality.OpenXR.Remoting.AppRemotingPlugin:OnSessionStateChange (int,int) (at Library/PackageCache/com.microsoft.mixedreality.openxr@1.8.1/Runtime/FeaturePlugins/AppRemotingPlugin.cs:88)

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)