diff --git a/ui-ngx/src/app/modules/home/components/profile/device/coap-device-profile-transport-configuration.component.ts b/ui-ngx/src/app/modules/home/components/profile/device/coap-device-profile-transport-configuration.component.ts
index 2817621aa0..3929292742 100644
--- a/ui-ngx/src/app/modules/home/components/profile/device/coap-device-profile-transport-configuration.component.ts
+++ b/ui-ngx/src/app/modules/home/components/profile/device/coap-device-profile-transport-configuration.component.ts
@@ -104,9 +104,9 @@ export class CoapDeviceProfileTransportConfigurationComponent implements Control
       }),
       clientSettings: this.fb.group({
         powerMode: [PowerMode.DRX, Validators.required],
-        edrxCycle: [{disabled: true, value: 0}],
-        psmActivityTimer: [{disabled: true, value: 0}],
-        pagingTransmissionWindow: [{disabled: true, value: 0}]
+        edrxCycle: [{disabled: true, value: 0}, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+        psmActivityTimer: [{disabled: true, value: 0}, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]],
+        pagingTransmissionWindow: [{disabled: true, value: 0}, [Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]]
       })}
     );
     this.coapTransportConfigurationFormGroup.get('coapDeviceTypeConfiguration.coapDeviceType').valueChanges.pipe(
@@ -120,23 +120,14 @@ export class CoapDeviceProfileTransportConfigurationComponent implements Control
       if (powerMode === PowerMode.E_DRX) {
         this.coapTransportConfigurationFormGroup.get('clientSettings.edrxCycle').enable({emitEvent: false});
         this.coapTransportConfigurationFormGroup.get('clientSettings.pagingTransmissionWindow').enable({emitEvent: false});
-        this.coapTransportConfigurationFormGroup.get('clientSettings.edrxCycle')
-          .setValidators([Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]);
-        this.coapTransportConfigurationFormGroup.get('clientSettings.pagingTransmissionWindow')
-          .setValidators([Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]);
-        this.clearValidatorsPSKMode();
+        this.disablePSKMode();
       } else if (powerMode === PowerMode.PSM) {
         this.coapTransportConfigurationFormGroup.get('clientSettings.psmActivityTimer').enable({emitEvent: false});
-        this.coapTransportConfigurationFormGroup.get('clientSettings.psmActivityTimer')
-          .setValidators([Validators.required, Validators.min(0), Validators.pattern('[0-9]*')]);
-        this.clearValidatorsEdrxMode();
+        this.disableEdrxMode();
       } else {
-        this.clearValidatorsEdrxMode();
-        this.clearValidatorsPSKMode();
+        this.disableEdrxMode();
+        this.disablePSKMode();
       }
-      this.coapTransportConfigurationFormGroup.get('clientSettings.edrxCycle').updateValueAndValidity({emitEvent: false});
-      this.coapTransportConfigurationFormGroup.get('clientSettings.pagingTransmissionWindow').updateValueAndValidity({emitEvent: false});
-      this.coapTransportConfigurationFormGroup.get('clientSettings.psmActivityTimer').updateValueAndValidity({emitEvent: false});
     });
     this.coapTransportConfigurationFormGroup.valueChanges.pipe(
       takeUntil(this.destroy$)
@@ -189,7 +180,15 @@ export class CoapDeviceProfileTransportConfigurationComponent implements Control
 
   writeValue(value: CoapDeviceProfileTransportConfiguration | null): void {
     if (isDefinedAndNotNull(value)) {
+      if (!value.clientSettings) {
+        value.clientSettings = {
+          powerMode: PowerMode.DRX
+        };
+      }
       this.coapTransportConfigurationFormGroup.patchValue(value, {emitEvent: false});
+      if (!this.disabled) {
+        this.coapTransportConfigurationFormGroup.get('clientSettings.powerMode').updateValueAndValidity({onlySelf: true});
+      }
       this.updateCoapDeviceTypeBasedControls(value.coapDeviceTypeConfiguration?.coapDeviceType);
     }
   }
@@ -203,18 +202,15 @@ export class CoapDeviceProfileTransportConfigurationComponent implements Control
     this.propagateChange(configuration);
   }
 
-  private clearValidatorsPSKMode() {
+  private disablePSKMode() {
     this.coapTransportConfigurationFormGroup.get('clientSettings.psmActivityTimer').disable({emitEvent: false});
     this.coapTransportConfigurationFormGroup.get('clientSettings.psmActivityTimer').reset(0, {emitEvent: false});
-    this.coapTransportConfigurationFormGroup.get('clientSettings.psmActivityTimer').clearValidators();
   }
 
-  private clearValidatorsEdrxMode() {
+  private disableEdrxMode() {
     this.coapTransportConfigurationFormGroup.get('clientSettings.edrxCycle').disable({emitEvent: false});
     this.coapTransportConfigurationFormGroup.get('clientSettings.edrxCycle').reset(0, {emitEvent: false});
-    this.coapTransportConfigurationFormGroup.get('clientSettings.edrxCycle').clearValidators();
     this.coapTransportConfigurationFormGroup.get('clientSettings.pagingTransmissionWindow').disable({emitEvent: false});
     this.coapTransportConfigurationFormGroup.get('clientSettings.pagingTransmissionWindow').reset(0, {emitEvent: false});
-    this.coapTransportConfigurationFormGroup.get('clientSettings.pagingTransmissionWindow').clearValidators();
   }
 }
diff --git a/ui-ngx/src/app/modules/home/pages/device/data/coap-device-transport-configuration.component.ts b/ui-ngx/src/app/modules/home/pages/device/data/coap-device-transport-configuration.component.ts
index 290bcac1d0..9f01376874 100644
--- a/ui-ngx/src/app/modules/home/pages/device/data/coap-device-transport-configuration.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/device/data/coap-device-transport-configuration.component.ts
@@ -112,6 +112,7 @@ export class CoapDeviceTransportConfigurationComponent implements ControlValueAc
       this.coapDeviceTransportForm.disable({emitEvent: false});
     } else {
       this.coapDeviceTransportForm.enable({emitEvent: false});
+      this.coapDeviceTransportForm.get('powerMode').updateValueAndValidity({onlySelf: true});
     }
   }
 
@@ -119,12 +120,7 @@ export class CoapDeviceTransportConfigurationComponent implements ControlValueAc
     if (isDefinedAndNotNull(value)) {
       this.coapDeviceTransportForm.patchValue(value, {emitEvent: false});
     } else {
-      this.coapDeviceTransportForm.patchValue({
-        powerMode: null,
-        edrxCycle: 0,
-        psmActivityTimer: 0,
-        pagingTransmissionWindow: 0
-      }, {emitEvent: false});
+      this.coapDeviceTransportForm.get('powerMode').patchValue(null, {emitEvent: false});
     }
     if (!this.disabled) {
       this.coapDeviceTransportForm.get('powerMode').updateValueAndValidity({onlySelf: true});
diff --git a/ui-ngx/src/app/shared/models/device.models.ts b/ui-ngx/src/app/shared/models/device.models.ts
index 7974483c39..a45ef05170 100644
--- a/ui-ngx/src/app/shared/models/device.models.ts
+++ b/ui-ngx/src/app/shared/models/device.models.ts
@@ -244,6 +244,13 @@ export interface MqttDeviceProfileTransportConfiguration {
   [key: string]: any;
 }
 
+export interface CoapClientSetting {
+  powerMode?: PowerMode | null;
+  edrxCycle?: number;
+  pagingTransmissionWindow?: number;
+  psmActivityTimer?: number;
+}
+
 export interface CoapDeviceProfileTransportConfiguration {
   coapDeviceTypeConfiguration?: {
     coapDeviceType?: CoapTransportDeviceType;
@@ -252,6 +259,7 @@ export interface CoapDeviceProfileTransportConfiguration {
       [key: string]: any;
     };
   };
+  clientSettings?: CoapClientSetting;
 }
 
 export interface Lwm2mDeviceProfileTransportConfiguration {