diff --git a/src/config.schema.ts b/src/config.schema.ts
index 6a8e4a6..fac4760 100644
--- a/src/config.schema.ts
+++ b/src/config.schema.ts
@@ -1,24 +1,22 @@
 import * as joi from 'joi';
 
 export const configValidationSchema = joi.object({
-  MONGO_URI: joi.string().uri().required(),
   JMMC_URL: joi.string().uri().required(),
   COOKIE_SECRET: joi.string().required(),
-  AGENTCONNECT_ACJWT_AUD: joi.string().required(),
-  AGENTCONNECT_ACJWT_ISS: joi.string().required(),
-  AGENTCONNECT_ACJWT_SECRET: joi.string().required(),
-  AGENTCONNECT_ACJWT_SUB: joi.string().required(),
+  //agentConnect
   AGENTCONNECT_CLIENTID: joi.string().required(),
-  AGENTCONNECT_EXPIRESAFTER: joi.number().required().default(10),
+  AGENTCONNECT_EXPIRESAFTER: joi.number().default(10),
   AGENTCONNECT_PROXYURL: joi.string().uri().required(),
   AGENTCONNECT_REDIRECT_URL: joi.string().uri().required(),
   AGENTCONNECT_SCOPE: joi.string().required().default('openid email'),
   AGENTCONNECT_SECRET: joi.string().required(),
   AGENTCONNECT_URL: joi.string().uri().required(),
+  //config
   CONFIG_FILE: joi
     .string()
     .required()
     .default('/home/hkhait/webconf_config.json'),
+  //Email
   EMAIL_CONFERENCETOKENLENGTH: joi.number().required(),
   EMAIL_FROM: joi.string().required(),
   //   EMAIL_SMTP_AUTH_PASS: joi.string().allow(null).optional(),
@@ -30,21 +28,20 @@ export const configValidationSchema = joi.object({
   EMAIL_SMTP_TLS_REJECTUNAUTHORIZED: joi.boolean().required(),
   EMAIL_SUBJECT: joi.string().required(),
   EMAIL_TOKENEXPIRATIONINHOURS: joi.number().required(),
-  ENV: joi.string().required(),
-  FRONTCONF_CONFERENCEENDSAFTER: joi.number().required(),
+  //frontconf
   FRONTCONF_ROOMNAMECONSTRAINT_LENGTH: joi.number().required(),
   FRONTCONF_ROOMNAMECONSTRAINT_MINNUMBEROFDIGITS: joi.number().required(),
-  FRONTCONF_TITLE: joi.string().required(),
-  JITSI_APPPATH: joi.string().required(),
+  //jitsi
   JITSI_JITSIJWT_AUD: joi.string().required(),
   JITSI_JITSIJWT_EXPIRESAFTER: joi.number().required(),
   JITSI_JITSIJWT_ISS: joi.string().required(),
   JITSI_JITSIJWT_SECRET: joi.string().required(),
   JITSI_JITSIJWT_SUB: joi.string().required(),
-  LOG_TO_CONSOLE_ONLY: joi.boolean().required(),
-  LOGFILE: joi.string().required(),
-  MONGODB_USENEWURLPARSER: joi.boolean().required(),
-  MONGODB_USEUNIFIEDTOPOLOGY: joi.boolean().required(),
+  //mongodb
+  MONGO_URI: joi.string().required(),
+  MONGODB_USENEWURLPARSER: joi.boolean(),
+  MONGODB_USEUNIFIEDTOPOLOGY: joi.boolean(),
+  //prosody
   PROSODY_AVAILABLE_INSTANCES: joi.string().required(),
   PROSODY_DOMAIN: joi.string().required(),
   REACT_APP_BASEURL: joi.string().required(),