diff --git a/schemas/2021-12-01-preview/Microsoft.OperationalInsights.json b/schemas/2021-12-01-preview/Microsoft.OperationalInsights.json
new file mode 100644
index 0000000000..7b45e53f22
--- /dev/null
+++ b/schemas/2021-12-01-preview/Microsoft.OperationalInsights.json
@@ -0,0 +1,649 @@
+{
+  "id": "https://schema.management.azure.com/schemas/2021-12-01-preview/Microsoft.OperationalInsights.json#",
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "title": "Microsoft.OperationalInsights",
+  "description": "Microsoft OperationalInsights Resource Types",
+  "resourceDefinitions": {
+    "workspaces": {
+      "type": "object",
+      "properties": {
+        "apiVersion": {
+          "type": "string",
+          "enum": [
+            "2021-12-01-preview"
+          ]
+        },
+        "eTag": {
+          "type": "string",
+          "description": "The ETag of the workspace."
+        },
+        "location": {
+          "type": "string",
+          "description": "The geo-location where the resource lives"
+        },
+        "name": {
+          "oneOf": [
+            {
+              "type": "string",
+              "pattern": "^[A-Za-z0-9][A-Za-z0-9-]+[A-Za-z0-9]$",
+              "minLength": 4,
+              "maxLength": 63
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The name of the workspace."
+        },
+        "properties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/WorkspaceProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Workspace properties."
+        },
+        "resources": {
+          "type": "array",
+          "items": {
+            "oneOf": [
+              {
+                "$ref": "#/definitions/workspaces_tables_childResource"
+              }
+            ]
+          }
+        },
+        "tags": {
+          "oneOf": [
+            {
+              "type": "object",
+              "additionalProperties": {
+                "type": "string"
+              },
+              "properties": {}
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Resource tags."
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "Microsoft.OperationalInsights/workspaces"
+          ]
+        }
+      },
+      "required": [
+        "apiVersion",
+        "location",
+        "name",
+        "properties",
+        "type"
+      ],
+      "description": "Microsoft.OperationalInsights/workspaces"
+    },
+    "workspaces_tables": {
+      "type": "object",
+      "properties": {
+        "apiVersion": {
+          "type": "string",
+          "enum": [
+            "2021-12-01-preview"
+          ]
+        },
+        "name": {
+          "type": "string",
+          "description": "The name of the table."
+        },
+        "properties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/TableProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Table properties."
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "Microsoft.OperationalInsights/workspaces/tables"
+          ]
+        }
+      },
+      "required": [
+        "apiVersion",
+        "name",
+        "properties",
+        "type"
+      ],
+      "description": "Microsoft.OperationalInsights/workspaces/tables"
+    }
+  },
+  "definitions": {
+    "Column": {
+      "type": "object",
+      "properties": {
+        "dataTypeHint": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "uri",
+                "guid",
+                "armPath",
+                "ip"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Column data type logical hint."
+        },
+        "description": {
+          "type": "string",
+          "description": "Column description."
+        },
+        "displayName": {
+          "type": "string",
+          "description": "Column display name."
+        },
+        "name": {
+          "type": "string",
+          "description": "Column name."
+        },
+        "type": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "string",
+                "int",
+                "long",
+                "real",
+                "boolean",
+                "dateTime",
+                "guid",
+                "dynamic"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Column data type."
+        }
+      },
+      "description": "Table column."
+    },
+    "RestoredLogs": {
+      "type": "object",
+      "properties": {
+        "endRestoreTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "The timestamp to end the restore by (UTC)."
+        },
+        "startRestoreTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "The timestamp to start the restore from (UTC)."
+        }
+      },
+      "description": "Restore parameters."
+    },
+    "ResultStatistics": {
+      "type": "object",
+      "properties": {},
+      "description": "Search job execution statistics."
+    },
+    "Schema": {
+      "type": "object",
+      "properties": {
+        "columns": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "$ref": "#/definitions/Column"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "A list of table custom columns."
+        },
+        "description": {
+          "type": "string",
+          "description": "Table description."
+        },
+        "displayName": {
+          "type": "string",
+          "description": "Table display name."
+        },
+        "name": {
+          "type": "string",
+          "description": "Table name."
+        }
+      },
+      "description": "Table's schema."
+    },
+    "SearchResults": {
+      "type": "object",
+      "properties": {
+        "description": {
+          "type": "string",
+          "description": "Search results table's Description."
+        },
+        "endSearchTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "The timestamp to end the search by (UTC)"
+        },
+        "limit": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Limit the search job to return up to specified number of rows."
+        },
+        "query": {
+          "type": "string",
+          "description": "Search job query."
+        },
+        "startSearchTime": {
+          "type": "string",
+          "format": "date-time",
+          "description": "The timestamp to start the search from (UTC)"
+        }
+      },
+      "description": "Parameters of the search job that initiated this table."
+    },
+    "TableProperties": {
+      "type": "object",
+      "properties": {
+        "plan": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Basic",
+                "Analytics"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The table plan."
+        },
+        "restoredLogs": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/RestoredLogs"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Restore parameters."
+        },
+        "resultStatistics": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/ResultStatistics"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Search job execution statistics."
+        },
+        "retentionInDays": {
+          "oneOf": [
+            {
+              "type": "integer",
+              "minimum": 4,
+              "maximum": 730
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The data table data retention in days, between 4 and 730. Setting this property to null will default to the workspace retention."
+        },
+        "schema": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/Schema"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Table's schema."
+        },
+        "searchResults": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/SearchResults"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Parameters of the search job that initiated this table."
+        },
+        "totalRetentionInDays": {
+          "oneOf": [
+            {
+              "type": "integer",
+              "minimum": 4,
+              "maximum": 2555
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The table data total retention in days, between 4 and 2555. Setting this property to null will default to table retention."
+        }
+      },
+      "description": "Table properties."
+    },
+    "WorkspaceCapping": {
+      "type": "object",
+      "properties": {
+        "dailyQuotaGb": {
+          "oneOf": [
+            {
+              "type": "number"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The workspace daily quota for ingestion."
+        }
+      },
+      "description": "The daily volume cap for ingestion."
+    },
+    "WorkspaceFeatures": {
+      "type": "object",
+      "properties": {
+        "additionalProperties": {
+          "oneOf": [
+            {
+              "type": "object",
+              "additionalProperties": {
+                "type": "object",
+                "properties": {}
+              },
+              "properties": {}
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Unmatched properties from the message are deserialized this collection"
+        },
+        "clusterResourceId": {
+          "type": "string",
+          "description": "Dedicated LA cluster resourceId that is linked to the workspaces."
+        },
+        "disableLocalAuth": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Disable Non-AAD based Auth."
+        },
+        "enableDataExport": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Flag that indicate if data should be exported."
+        },
+        "enableLogAccessUsingOnlyResourcePermissions": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Flag that indicate which permission to use - resource or workspace or both."
+        },
+        "immediatePurgeDataOn30Days": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Flag that describes if we want to remove the data after 30 days."
+        }
+      },
+      "description": "Workspace features."
+    },
+    "WorkspaceProperties": {
+      "type": "object",
+      "properties": {
+        "defaultDataCollectionRuleResourceId": {
+          "type": "string",
+          "description": "The resource ID of the default Data Collection Rule to use for this workspace. Expected format is - /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Insights/dataCollectionRules/{dcrName}."
+        },
+        "features": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/WorkspaceFeatures"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Workspace features."
+        },
+        "forceCmkForQuery": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Indicates whether customer managed storage is mandatory for query management."
+        },
+        "provisioningState": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Creating",
+                "Succeeded",
+                "Failed",
+                "Canceled",
+                "Deleting",
+                "ProvisioningAccount",
+                "Updating"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The provisioning state of the workspace."
+        },
+        "publicNetworkAccessForIngestion": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Enabled",
+                "Disabled"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The network access type for accessing Log Analytics ingestion."
+        },
+        "publicNetworkAccessForQuery": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Enabled",
+                "Disabled"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The network access type for accessing Log Analytics query."
+        },
+        "retentionInDays": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The workspace data retention in days. Allowed values are per pricing plan. See pricing tiers documentation for details."
+        },
+        "sku": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/WorkspaceSku"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The SKU (tier) of a workspace."
+        },
+        "workspaceCapping": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/WorkspaceCapping"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The daily volume cap for ingestion."
+        }
+      },
+      "description": "Workspace properties."
+    },
+    "WorkspaceSku": {
+      "type": "object",
+      "properties": {
+        "capacityReservationLevel": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capacity reservation level in GB for this workspace, when CapacityReservation sku is selected."
+        },
+        "name": {
+          "oneOf": [
+            {
+              "type": "string",
+              "enum": [
+                "Free",
+                "Standard",
+                "Premium",
+                "PerNode",
+                "PerGB2018",
+                "Standalone",
+                "CapacityReservation",
+                "LACluster"
+              ]
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The name of the SKU."
+        }
+      },
+      "required": [
+        "name"
+      ],
+      "description": "The SKU (tier) of a workspace."
+    },
+    "workspaces_tables_childResource": {
+      "type": "object",
+      "properties": {
+        "apiVersion": {
+          "type": "string",
+          "enum": [
+            "2021-12-01-preview"
+          ]
+        },
+        "name": {
+          "type": "string",
+          "description": "The name of the table."
+        },
+        "properties": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/TableProperties"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Table properties."
+        },
+        "type": {
+          "type": "string",
+          "enum": [
+            "tables"
+          ]
+        }
+      },
+      "required": [
+        "apiVersion",
+        "name",
+        "properties",
+        "type"
+      ],
+      "description": "Microsoft.OperationalInsights/workspaces/tables"
+    }
+  }
+}
\ No newline at end of file
diff --git a/schemas/common/autogeneratedResources.json b/schemas/common/autogeneratedResources.json
index 8a2171201c..ca42a63403 100644
--- a/schemas/common/autogeneratedResources.json
+++ b/schemas/common/autogeneratedResources.json
@@ -10165,6 +10165,12 @@
         {
           "$ref": "https://schema.management.azure.com/schemas/2021-06-01/Microsoft.OperationalInsights.json#/resourceDefinitions/workspaces_tables"
         },
+        {
+          "$ref": "https://schema.management.azure.com/schemas/2021-12-01-preview/Microsoft.OperationalInsights.json#/resourceDefinitions/workspaces"
+        },
+        {
+          "$ref": "https://schema.management.azure.com/schemas/2021-12-01-preview/Microsoft.OperationalInsights.json#/resourceDefinitions/workspaces_tables"
+        },
         {
           "$ref": "https://schema.management.azure.com/schemas/2021-04-04-preview/Microsoft.Orbital.json#/resourceDefinitions/contactProfiles"
         },