diff --git a/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/CHANGELOG.md b/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/CHANGELOG.md
index 52911e4cc5e4..2f2a2672ad2d 100644
--- a/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/CHANGELOG.md
+++ b/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/CHANGELOG.md
@@ -1,2 +1,28 @@
-# Change History
+# Unreleased
 
+## Breaking Changes
+
+### Struct Changes
+
+#### Removed Struct Fields
+
+1. ErrorResponse.Code
+1. ErrorResponse.Message
+
+## Additive Changes
+
+### New Funcs
+
+1. DedicatedCapacityMutableProperties.MarshalJSON() ([]byte, error)
+
+### Struct Changes
+
+#### New Structs
+
+1. ErrorResponseError
+
+#### New Struct Fields
+
+1. DedicatedCapacityMutableProperties.Mode
+1. DedicatedCapacityProperties.Mode
+1. ErrorResponse.Error
diff --git a/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/_meta.json b/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/_meta.json
index aa97f6e58366..65d303ba5955 100644
--- a/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/_meta.json
+++ b/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "3c764635e7d442b3e74caf593029fcd440b3ef82",
+  "commit": "0e27f3801f99bd3a4d9169296fea55a190d37cff",
   "readme": "/_/azure-rest-api-specs/specification/powerbidedicated/resource-manager/readme.md",
   "tag": "package-2017-10-01",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/models.go b/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/models.go
index e9ce1db9700e..97f85d8b7d1b 100644
--- a/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/models.go
+++ b/services/powerbidedicated/mgmt/2017-10-01/powerbidedicated/models.go
@@ -368,6 +368,17 @@ type DedicatedCapacityAdministrators struct {
 type DedicatedCapacityMutableProperties struct {
 	// Administration - A collection of Dedicated capacity administrators
 	Administration *DedicatedCapacityAdministrators `json:"administration,omitempty"`
+	// Mode - READ-ONLY; The capacity mode.
+	Mode *string `json:"mode,omitempty"`
+}
+
+// MarshalJSON is the custom marshaler for DedicatedCapacityMutableProperties.
+func (dcmp DedicatedCapacityMutableProperties) MarshalJSON() ([]byte, error) {
+	objectMap := make(map[string]interface{})
+	if dcmp.Administration != nil {
+		objectMap["administration"] = dcmp.Administration
+	}
+	return json.Marshal(objectMap)
 }
 
 // DedicatedCapacityProperties properties of Dedicated Capacity resource.
@@ -378,6 +389,8 @@ type DedicatedCapacityProperties struct {
 	ProvisioningState ProvisioningState `json:"provisioningState,omitempty"`
 	// Administration - A collection of Dedicated capacity administrators
 	Administration *DedicatedCapacityAdministrators `json:"administration,omitempty"`
+	// Mode - READ-ONLY; The capacity mode.
+	Mode *string `json:"mode,omitempty"`
 }
 
 // MarshalJSON is the custom marshaler for DedicatedCapacityProperties.
@@ -458,6 +471,12 @@ func (dcup *DedicatedCapacityUpdateParameters) UnmarshalJSON(body []byte) error
 
 // ErrorResponse describes the format of Error response.
 type ErrorResponse struct {
+	// Error - The error object
+	Error *ErrorResponseError `json:"error,omitempty"`
+}
+
+// ErrorResponseError the error object
+type ErrorResponseError struct {
 	// Code - Error code
 	Code *string `json:"code,omitempty"`
 	// Message - Error message indicating why the operation failed.
diff --git a/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/CHANGELOG.md b/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/CHANGELOG.md
index 52911e4cc5e4..a1ecf841edb0 100644
--- a/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/CHANGELOG.md
+++ b/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/CHANGELOG.md
@@ -1,2 +1,2 @@
-# Change History
+# Unreleased
 
diff --git a/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/_meta.json b/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/_meta.json
index 21a01dd9a977..46d8f10e6dc6 100644
--- a/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/_meta.json
+++ b/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/_meta.json
@@ -1,5 +1,5 @@
 {
-  "commit": "5f9965cd81e1651c38651ddc9a964a7f1ba4b218",
+  "commit": "0e27f3801f99bd3a4d9169296fea55a190d37cff",
   "readme": "/_/azure-rest-api-specs/specification/powerbidedicated/resource-manager/readme.md",
   "tag": "package-2021-01-01",
   "use": "@microsoft.azure/autorest.go@2.1.187",
diff --git a/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/models.go b/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/models.go
index 3b7a574b973c..d932001a4eeb 100644
--- a/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/models.go
+++ b/services/powerbidedicated/mgmt/2021-01-01/powerbidedicated/models.go
@@ -633,7 +633,7 @@ type DedicatedCapacityAdministrators struct {
 type DedicatedCapacityMutableProperties struct {
 	// Administration - A collection of Dedicated capacity administrators
 	Administration *DedicatedCapacityAdministrators `json:"administration,omitempty"`
-	// Mode - The capacity mode. Possible values include: 'ModeGen1', 'ModeGen2'
+	// Mode - Specifies the generation of the Power BI Embedded capacity. If no value is specified, the default value 'Gen2' is used. [Learn More](https://docs.microsoft.com/power-bi/developer/embedded/power-bi-embedded-generation-2). Possible values include: 'ModeGen1', 'ModeGen2'
 	Mode Mode `json:"mode,omitempty"`
 }
 
@@ -645,7 +645,7 @@ type DedicatedCapacityProperties struct {
 	ProvisioningState CapacityProvisioningState `json:"provisioningState,omitempty"`
 	// Administration - A collection of Dedicated capacity administrators
 	Administration *DedicatedCapacityAdministrators `json:"administration,omitempty"`
-	// Mode - The capacity mode. Possible values include: 'ModeGen1', 'ModeGen2'
+	// Mode - Specifies the generation of the Power BI Embedded capacity. If no value is specified, the default value 'Gen2' is used. [Learn More](https://docs.microsoft.com/power-bi/developer/embedded/power-bi-embedded-generation-2). Possible values include: 'ModeGen1', 'ModeGen2'
 	Mode Mode `json:"mode,omitempty"`
 }