diff --git a/Common/sources/storage-fs.js b/Common/sources/storage-fs.js
index 5c0a299f6..7f08c35a2 100644
--- a/Common/sources/storage-fs.js
+++ b/Common/sources/storage-fs.js
@@ -151,7 +151,11 @@ async function getSignedUrl(ctx, storageCfg, baseUrl, strPath, urlType, optFilen
   } else if (ctx.wopiSrc) {
     wopiSrcCached = ctx.wopiSrc;
     url += `&${constants.SHARD_KEY_WOPI_NAME}=${encodeURIComponent(ctx.wopiSrc)}`;
+  } else if (process.env.DEFAULT_SHARD_KEY) {
+    //Set DEFAULT_SHARD_KEY from environment as shardkey in case of integrator did not pass this param
+    url += `&${constants.SHARD_KEY_API_NAME}=${encodeURIComponent(process.env.DEFAULT_SHARD_KEY)}`;
   } else if (shardKeyCached) {
+    //Add stubs for shardkey params until integrators pass these parameters to all requests
     url += `&${constants.SHARD_KEY_API_NAME}=${encodeURIComponent(shardKeyCached)}`;
   } else if (wopiSrcCached) {
     url += `&${constants.SHARD_KEY_WOPI_NAME}=${encodeURIComponent(wopiSrcCached)}`;
diff --git a/DocService/sources/DocsCoServer.js b/DocService/sources/DocsCoServer.js
index 548754064..32cff9130 100644
--- a/DocService/sources/DocsCoServer.js
+++ b/DocService/sources/DocsCoServer.js
@@ -836,7 +836,8 @@ function* setForceSave(ctx, docId, forceSave, cmd, success, url) {
   convertInfo.setResponseKey(undefined);
   convertInfo.setFormData(undefined);
   if (convertInfo.getForceSave()) {
-    convertInfo.getForceSave().setType(undefined);
+    //type must be saved to distinguish c_oAscForceSaveTypes.Form
+    //convertInfo.getForceSave().setType(undefined);
     convertInfo.getForceSave().setAuthorUserId(undefined);
     convertInfo.getForceSave().setAuthorUserIndex(undefined);
   }
@@ -884,7 +885,13 @@ async function applyForceSaveCache(ctx, docId, forceSave, type, opt_userConnecti
   let forceSaveCache = await checkForceSaveCache(ctx, forceSave.convertInfo);
   if (forceSaveCache.hasCache || forceSave.ended) {
     if (commonDefines.c_oAscForceSaveTypes.Form === type || commonDefines.c_oAscForceSaveTypes.Internal === type || !forceSave.ended) {
-      if (forceSaveCache.hasValidCache) {
+      //c_oAscForceSaveTypes.Form has uniqueue options {'documentLayout': {'isPrint': true}}; dont use it for other types
+      let forceSaveCached = forceSaveCache.cmd?.getForceSave()?.getType();
+      let cacheHasSameOptions = (commonDefines.c_oAscForceSaveTypes.Form === type &&
+          commonDefines.c_oAscForceSaveTypes.Form === forceSaveCached) ||
+        (commonDefines.c_oAscForceSaveTypes.Form !== type &&
+          commonDefines.c_oAscForceSaveTypes.Form !== forceSaveCached)
+      if (forceSaveCache.hasValidCache && cacheHasSameOptions) {
         let cmd = forceSaveCache.cmd;
         cmd.setUserConnectionDocId(opt_userConnectionDocId);
         cmd.setUserConnectionId(opt_userConnectionId);
@@ -899,7 +906,7 @@ async function applyForceSaveCache(ctx, docId, forceSave, type, opt_userConnecti
         await canvasService.commandSfcCallback(ctx, cmd, true, false);
         res.ok = true;
       } else {
-        await editorData.checkAndSetForceSave(ctx, docId, forceSave.getTime(), forceSave.getIndex(), false, false, null);
+        await editorData.checkAndSetForceSave(ctx, docId, forceSave.time, forceSave.index, false, false, null);
         res.startedForceSave = await editorData.checkAndStartForceSave(ctx, docId);
         res.ok = !!res.startedForceSave;
       }
@@ -4316,6 +4323,9 @@ exports.commandFromServer = function (req, res) {
       output.error = validateInputParams(ctx, authRes, params);
       if (output.error === commonDefines.c_oAscServerCommandErrors.NoError) {
         ctx.logger.debug('commandFromServer: c = %s', params.c);
+        if (params.key && !req.query[constants.SHARD_KEY_API_NAME] && !req.query[constants.SHARD_KEY_WOPI_NAME] && process.env.DEFAULT_SHARD_KEY) {
+          ctx.logger.warn('commandFromServer. Pass query string parameter "%s" to correctly process commands with "key" in sharded cluster', constants.SHARD_KEY_API_NAME);
+        }
         yield *commandHandle(ctx, params, req, output);
       }
     } catch (err) {
diff --git a/DocService/sources/converterservice.js b/DocService/sources/converterservice.js
index 2cf7781fc..7574c0667 100644
--- a/DocService/sources/converterservice.js
+++ b/DocService/sources/converterservice.js
@@ -386,7 +386,10 @@ function convertRequest(req, res, isJson) {
         cmd.setTitle(path.basename(params.title, path.extname(params.title)) + '.' + outputExt);
       }
       var async = (typeof params.async === 'string') ? 'true' == params.async : params.async;
-
+      if (async && !req.query[constants.SHARD_KEY_API_NAME] && !req.query[constants.SHARD_KEY_WOPI_NAME] && process.env.DEFAULT_SHARD_KEY) {
+        ctx.logger.warn('convertRequest set async=false. Pass query string parameter "%s" to correctly process request in sharded cluster', constants.SHARD_KEY_API_NAME);
+        async = false;
+      }
       if (constants.AVS_OFFICESTUDIO_FILE_UNKNOWN !== cmd.getOutputFormat()) {
         let fileTo = constants.OUTPUT_NAME + '.' + outputExt;
         var status = yield* convertByCmd(ctx, cmd, async, fileTo, undefined, undefined, undefined, undefined, true);
@@ -466,6 +469,10 @@ function builderRequest(req, res) {
           yield* docsCoServer.addTask(queueData, constants.QUEUE_PRIORITY_LOW);
         }
         let async = (typeof params.async === 'string') ? 'true' === params.async : params.async;
+        if (async && !req.query[constants.SHARD_KEY_API_NAME] && !req.query[constants.SHARD_KEY_WOPI_NAME] && process.env.DEFAULT_SHARD_KEY) {
+          ctx.logger.warn('builderRequest set async=false. Pass query string parameter "%s" to correctly process request in sharded cluster', constants.SHARD_KEY_API_NAME);
+          async = false;
+        }
         let status = yield* convertByCmd(ctx, cmd, async, undefined, undefined, constants.QUEUE_PRIORITY_LOW);
         end = status.end;
         error = status.err;