diff --git a/x-pack/plugins/cross_cluster_replication/public/app/sections/auto_follow_pattern_edit/auto_follow_pattern_edit.container.js b/x-pack/plugins/cross_cluster_replication/public/app/sections/auto_follow_pattern_edit/auto_follow_pattern_edit.container.js
index 2c90456076f85..be470edc07537 100644
--- a/x-pack/plugins/cross_cluster_replication/public/app/sections/auto_follow_pattern_edit/auto_follow_pattern_edit.container.js
+++ b/x-pack/plugins/cross_cluster_replication/public/app/sections/auto_follow_pattern_edit/auto_follow_pattern_edit.container.js
@@ -39,8 +39,23 @@ const mapStateToProps = state => ({
 const mapDispatchToProps = dispatch => ({
   getAutoFollowPattern: id => dispatch(getAutoFollowPattern(id)),
   selectAutoFollowPattern: id => dispatch(selectEditAutoFollowPattern(id)),
-  saveAutoFollowPattern: (id, autoFollowPattern) =>
-    dispatch(saveAutoFollowPattern(id, autoFollowPattern, true)),
+  saveAutoFollowPattern: (id, autoFollowPattern) => {
+    // Strip out errors.
+    const { active, remoteCluster, leaderIndexPatterns, followIndexPattern } = autoFollowPattern;
+
+    dispatch(
+      saveAutoFollowPattern(
+        id,
+        {
+          active,
+          remoteCluster,
+          leaderIndexPatterns,
+          followIndexPattern,
+        },
+        true
+      )
+    );
+  },
   clearApiError: () => {
     dispatch(clearApiError(`${scope}-get`));
     dispatch(clearApiError(`${scope}-save`));
diff --git a/x-pack/plugins/cross_cluster_replication/public/app/store/actions/follower_index.js b/x-pack/plugins/cross_cluster_replication/public/app/store/actions/follower_index.js
index b6c0bb5ce401d..d081e0444eb58 100644
--- a/x-pack/plugins/cross_cluster_replication/public/app/store/actions/follower_index.js
+++ b/x-pack/plugins/cross_cluster_replication/public/app/store/actions/follower_index.js
@@ -149,6 +149,7 @@ export const resumeFollowerIndex = id =>
     scope,
     handler: async () => resumeFollowerIndexRequest(id),
     onSuccess(response, dispatch) {
+      console.log('response', response);
       /**
        * We can have 1 or more follower index resume operation
        * that can fail or succeed. We will show 1 toast notification for each.
diff --git a/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_create_route.ts b/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_create_route.ts
index 91159315f51f9..bf8294496f05b 100644
--- a/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_create_route.ts
+++ b/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_create_route.ts
@@ -18,12 +18,12 @@ export const registerCreateRoute = ({
   license,
   lib: { isEsError, formatEsError },
 }: RouteDependencies) => {
-  const bodySchema = schema.object(
-    {
-      id: schema.string(),
-    },
-    { unknowns: 'allow' }
-  );
+  const bodySchema = schema.object({
+    id: schema.string(),
+    remoteCluster: schema.string(),
+    leaderIndexPatterns: schema.arrayOf(schema.string()),
+    followIndexPattern: schema.string(),
+  });
 
   router.post(
     {
diff --git a/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_update_route.ts b/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_update_route.ts
index a99aee2aecc9f..cefc67e6af14b 100644
--- a/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_update_route.ts
+++ b/x-pack/plugins/cross_cluster_replication/server/routes/api/auto_follow_pattern/register_update_route.ts
@@ -22,12 +22,19 @@ export const registerUpdateRoute = ({
     id: schema.string(),
   });
 
+  const bodySchema = schema.object({
+    active: schema.boolean(),
+    remoteCluster: schema.string(),
+    leaderIndexPatterns: schema.arrayOf(schema.string()),
+    followIndexPattern: schema.string(),
+  });
+
   router.put(
     {
       path: addBasePath('/auto_follow_patterns/{id}'),
       validate: {
         params: paramsSchema,
-        body: schema.object({}, { unknowns: 'allow' }),
+        body: bodySchema,
       },
     },
     license.guardApiRoute(async (context, request, response) => {
diff --git a/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_create_route.ts b/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_create_route.ts
index 346bc98c1e952..1633fb0745549 100644
--- a/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_create_route.ts
+++ b/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_create_route.ts
@@ -19,12 +19,21 @@ export const registerCreateRoute = ({
   license,
   lib: { isEsError, formatEsError },
 }: RouteDependencies) => {
-  const bodySchema = schema.object(
-    {
-      name: schema.string(),
-    },
-    { unknowns: 'allow' }
-  );
+  const bodySchema = schema.object({
+    name: schema.string(),
+    remoteCluster: schema.string(),
+    leaderIndex: schema.string(),
+    maxReadRequestOperationCount: schema.maybe(schema.number()),
+    maxOutstandingReadRequests: schema.maybe(schema.number()),
+    maxReadRequestSize: schema.maybe(schema.string()), // byte value
+    maxWriteRequestOperationCount: schema.maybe(schema.number()),
+    maxWriteRequestSize: schema.maybe(schema.string()), // byte value
+    maxOutstandingWriteRequests: schema.maybe(schema.number()),
+    maxWriteBufferCount: schema.maybe(schema.number()),
+    maxWriteBufferSize: schema.maybe(schema.string()), // byte value
+    maxRetryDelay: schema.maybe(schema.string()), // time value
+    readPollTimeout: schema.maybe(schema.string()), // time value
+  });
 
   router.post(
     {
diff --git a/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_update_route.ts b/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_update_route.ts
index da33a6e2b8061..c27d150e7dcdb 100644
--- a/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_update_route.ts
+++ b/x-pack/plugins/cross_cluster_replication/server/routes/api/follower_index/register_update_route.ts
@@ -21,28 +21,45 @@ export const registerUpdateRoute = ({
 }: RouteDependencies) => {
   const paramsSchema = schema.object({ id: schema.string() });
 
+  const bodySchema = schema.object({
+    maxReadRequestOperationCount: schema.maybe(schema.number()),
+    maxOutstandingReadRequests: schema.maybe(schema.number()),
+    maxReadRequestSize: schema.maybe(schema.string()), // byte value
+    maxWriteRequestOperationCount: schema.maybe(schema.number()),
+    maxWriteRequestSize: schema.maybe(schema.string()), // byte value
+    maxOutstandingWriteRequests: schema.maybe(schema.number()),
+    maxWriteBufferCount: schema.maybe(schema.number()),
+    maxWriteBufferSize: schema.maybe(schema.string()), // byte value
+    maxRetryDelay: schema.maybe(schema.string()), // time value
+    readPollTimeout: schema.maybe(schema.string()), // time value
+  });
+
   router.put(
     {
       path: addBasePath('/follower_indices/{id}'),
       validate: {
         params: paramsSchema,
+        body: bodySchema,
       },
     },
     license.guardApiRoute(async (context, request, response) => {
       const { id } = request.params as typeof paramsSchema.type;
 
-      // We need to first pause the follower and then resume it passing the advanced settings
+      // We need to first pause the follower and then resume it by passing the advanced settings
       try {
         const {
           follower_indices: followerIndices,
         } = await context.crossClusterReplication!.client.callAsCurrentUser('ccr.info', { id });
+
         const followerIndexInfo = followerIndices && followerIndices[0];
+
         if (!followerIndexInfo) {
           return response.notFound({ body: `The follower index "${id}" does not exist.` });
         }
 
         // Retrieve paused state instead of pulling it from the payload to ensure it's not stale.
         const isPaused = followerIndexInfo.status === 'paused';
+
         // Pause follower if not already paused
         if (!isPaused) {
           await context.crossClusterReplication!.client.callAsCurrentUser(
@@ -57,6 +74,7 @@ export const registerUpdateRoute = ({
         const body = removeEmptyFields(
           serializeAdvancedSettings(request.body as FollowerIndexAdvancedSettings)
         );
+
         return response.ok({
           body: await context.crossClusterReplication!.client.callAsCurrentUser(
             'ccr.resumeFollowerIndex',