diff --git a/avm/ptn/authorization/resource-role-assignment/README.md b/avm/ptn/authorization/resource-role-assignment/README.md
index ceb160b7686..ec9ac5c1e16 100644
--- a/avm/ptn/authorization/resource-role-assignment/README.md
+++ b/avm/ptn/authorization/resource-role-assignment/README.md
@@ -41,7 +41,6 @@ module resourceRoleAssignment 'br/public:avm/ptn/authorization/resource-role-ass
   name: 'resourceRoleAssignmentDeployment'
   params: {
     // Required parameters
-    name: '<name>'
     principalId: '<principalId>'
     resourceId: '<resourceId>'
     roleDefinitionId: '2a2b9908-6ea1-4ae2-8e65-a410df84e7d1'
@@ -66,9 +65,6 @@ module resourceRoleAssignment 'br/public:avm/ptn/authorization/resource-role-ass
   "contentVersion": "1.0.0.0",
   "parameters": {
     // Required parameters
-    "name": {
-      "value": "<name>"
-    },
     "principalId": {
       "value": "<principalId>"
     },
@@ -109,7 +105,6 @@ module resourceRoleAssignment 'br/public:avm/ptn/authorization/resource-role-ass
   name: 'resourceRoleAssignmentDeployment'
   params: {
     // Required parameters
-    name: '<name>'
     principalId: '<principalId>'
     resourceId: '<resourceId>'
     roleDefinitionId: '2a2b9908-6ea1-4ae2-8e65-a410df84e7d1'
@@ -132,9 +127,6 @@ module resourceRoleAssignment 'br/public:avm/ptn/authorization/resource-role-ass
   "contentVersion": "1.0.0.0",
   "parameters": {
     // Required parameters
-    "name": {
-      "value": "<name>"
-    },
     "principalId": {
       "value": "<principalId>"
     },
@@ -162,7 +154,6 @@ module resourceRoleAssignment 'br/public:avm/ptn/authorization/resource-role-ass
 
 | Parameter | Type | Description |
 | :-- | :-- | :-- |
-| [`name`](#parameter-name) | string | The unique guid name for the role assignment. |
 | [`principalId`](#parameter-principalid) | string | The Principal or Object ID of the Security Principal (User, Group, Service Principal, Managed Identity). |
 | [`resourceId`](#parameter-resourceid) | string | The scope for the role assignment, fully qualified resourceId. |
 | [`roleDefinitionId`](#parameter-roledefinitionid) | string | The role definition ID for the role assignment. |
@@ -173,16 +164,10 @@ module resourceRoleAssignment 'br/public:avm/ptn/authorization/resource-role-ass
 | :-- | :-- | :-- |
 | [`description`](#parameter-description) | string | The description of role assignment. |
 | [`enableTelemetry`](#parameter-enabletelemetry) | bool | Enable/Disable usage telemetry for module. |
+| [`name`](#parameter-name) | string | The unique guid name for the role assignment. |
 | [`principalType`](#parameter-principaltype) | string | The principal type of the assigned principal ID. |
 | [`roleName`](#parameter-rolename) | string | The name for the role, used for logging. |
 
-### Parameter: `name`
-
-The unique guid name for the role assignment.
-
-- Required: Yes
-- Type: string
-
 ### Parameter: `principalId`
 
 The Principal or Object ID of the Security Principal (User, Group, Service Principal, Managed Identity).
@@ -220,6 +205,14 @@ Enable/Disable usage telemetry for module.
 - Type: bool
 - Default: `True`
 
+### Parameter: `name`
+
+The unique guid name for the role assignment.
+
+- Required: No
+- Type: string
+- Default: `''`
+
 ### Parameter: `principalType`
 
 The principal type of the assigned principal ID.
diff --git a/avm/ptn/authorization/resource-role-assignment/main.bicep b/avm/ptn/authorization/resource-role-assignment/main.bicep
index 22d56ce5774..acd3cb75fc4 100644
--- a/avm/ptn/authorization/resource-role-assignment/main.bicep
+++ b/avm/ptn/authorization/resource-role-assignment/main.bicep
@@ -5,8 +5,8 @@ metadata owner = 'Azure/module-maintainers'
 @sys.description('Required. The scope for the role assignment, fully qualified resourceId.')
 param resourceId string
 
-@sys.description('Required. The unique guid name for the role assignment.')
-param name string
+@sys.description('Optional. The unique guid name for the role assignment.')
+param name string = ''
 
 @sys.description('Required. The role definition ID for the role assignment.')
 param roleDefinitionId string
@@ -63,7 +63,7 @@ resource avmTelemetry 'Microsoft.Resources/deployments@2023-07-01' = if (enableT
 var tFile = loadFileAsBase64('modules/generic-role-assignment.json')
 
 resource resourceRoleAssignment 'Microsoft.Resources/deployments@2023-07-01' = {
-  name: '${guid(resourceId, roleDefinitionId)}-ResourceRoleAssignment'
+  name: '${guid(resourceId, principalId, roleDefinitionId)}-ResourceRoleAssignment'
   properties: {
     mode: 'Incremental'
     expressionEvaluationOptions: {
@@ -75,10 +75,20 @@ resource resourceRoleAssignment 'Microsoft.Resources/deployments@2023-07-01' = {
         value: resourceId
       }
       name: {
-        value: name
+        value: !empty(name)
+          ? name
+          : guid(
+              resourceId,
+              principalId,
+              contains(roleDefinitionId, '/providers/Microsoft.Authorization/roleDefinitions/')
+                ? roleDefinitionId
+                : subscriptionResourceId('Microsoft.Authorization/roleDefinitions', roleDefinitionId)
+            )
       }
       roleDefinitionId: {
-        value: subscriptionResourceId('Microsoft.Authorization/roleDefinitions', roleDefinitionId)
+        value: contains(roleDefinitionId, '/providers/Microsoft.Authorization/roleDefinitions/')
+          ? roleDefinitionId
+          : subscriptionResourceId('Microsoft.Authorization/roleDefinitions', roleDefinitionId)
       }
       principalId: {
         value: principalId
@@ -94,7 +104,7 @@ resource resourceRoleAssignment 'Microsoft.Resources/deployments@2023-07-01' = {
 }
 
 @sys.description('The GUID of the Role Assignment.')
-output name string = name
+output name string = name!
 
 @sys.description('The name for the role, used for logging.')
 output roleName string = roleName
diff --git a/avm/ptn/authorization/resource-role-assignment/tests/e2e/all/main.test.bicep b/avm/ptn/authorization/resource-role-assignment/tests/e2e/all/main.test.bicep
index 79c09f8eaa0..2bc06f024de 100644
--- a/avm/ptn/authorization/resource-role-assignment/tests/e2e/all/main.test.bicep
+++ b/avm/ptn/authorization/resource-role-assignment/tests/e2e/all/main.test.bicep
@@ -50,10 +50,6 @@ module testDeployment '../../../main.bicep' = [
     name: '${guid(deployment().name, resourceLocation)}-test-${serviceShort}-${iteration}'
     scope: resourceGroup
     params: {
-      name: guid(
-        nestedDependencies.outputs.managedIdentityPrincipalId,
-        nestedDependencies.outputs.storageAccountResourceId
-      )
       resourceId: nestedDependencies.outputs.storageAccountResourceId
       principalId: nestedDependencies.outputs.managedIdentityPrincipalId
       principalType: 'ServicePrincipal'
diff --git a/avm/ptn/authorization/resource-role-assignment/tests/e2e/defaults/main.test.bicep b/avm/ptn/authorization/resource-role-assignment/tests/e2e/defaults/main.test.bicep
index 7181e7162db..252442bc345 100644
--- a/avm/ptn/authorization/resource-role-assignment/tests/e2e/defaults/main.test.bicep
+++ b/avm/ptn/authorization/resource-role-assignment/tests/e2e/defaults/main.test.bicep
@@ -50,10 +50,6 @@ module testDeployment '../../../main.bicep' = [
     name: '${guid(deployment().name, resourceLocation)}-test-${serviceShort}-${iteration}'
     scope: resourceGroup
     params: {
-      name: guid(
-        nestedDependencies.outputs.managedIdentityPrincipalId,
-        nestedDependencies.outputs.storageAccountResourceId
-      )
       resourceId: nestedDependencies.outputs.storageAccountResourceId
       principalId: nestedDependencies.outputs.managedIdentityPrincipalId
       principalType: 'ServicePrincipal'