diff --git a/application/src/main/java/org/thingsboard/server/ThingsboardInstallApplication.java b/application/src/main/java/org/thingsboard/server/ThingsboardInstallApplication.java
index e90ed98351..6009dafafa 100644
--- a/application/src/main/java/org/thingsboard/server/ThingsboardInstallApplication.java
+++ b/application/src/main/java/org/thingsboard/server/ThingsboardInstallApplication.java
@@ -32,6 +32,7 @@ import java.util.Arrays;
         "org.thingsboard.server.dao",
         "org.thingsboard.server.common.stats",
         "org.thingsboard.server.common.transport.config.ssl",
+        "org.thingsboard.server.config.jwt",
         "org.thingsboard.server.cache",
         "org.thingsboard.server.springfox"
 })
diff --git a/application/src/main/java/org/thingsboard/server/config/JwtSettings.java b/application/src/main/java/org/thingsboard/server/config/jwt/JwtSettings.java
similarity index 96%
rename from application/src/main/java/org/thingsboard/server/config/JwtSettings.java
rename to application/src/main/java/org/thingsboard/server/config/jwt/JwtSettings.java
index e5667dc811..f99b36f32e 100644
--- a/application/src/main/java/org/thingsboard/server/config/JwtSettings.java
+++ b/application/src/main/java/org/thingsboard/server/config/jwt/JwtSettings.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.config;
+package org.thingsboard.server.config.jwt;
 
 import lombok.Data;
 import org.springframework.boot.context.properties.ConfigurationProperties;
diff --git a/application/src/main/java/org/thingsboard/server/config/JwtSettingsService.java b/application/src/main/java/org/thingsboard/server/config/jwt/JwtSettingsService.java
similarity index 74%
rename from application/src/main/java/org/thingsboard/server/config/JwtSettingsService.java
rename to application/src/main/java/org/thingsboard/server/config/jwt/JwtSettingsService.java
index bb7d3abc55..bbb1bdba8b 100644
--- a/application/src/main/java/org/thingsboard/server/config/JwtSettingsService.java
+++ b/application/src/main/java/org/thingsboard/server/config/jwt/JwtSettingsService.java
@@ -13,12 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.config;
+package org.thingsboard.server.config.jwt;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.RandomStringUtils;
+import org.springframework.dao.InvalidDataAccessResourceUsageException;
 import org.springframework.stereotype.Service;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.AdminSettings;
@@ -67,11 +68,12 @@ public class JwtSettingsService {
     }
 
     public void createJwtAdminSettings() {
+        log.debug("Creating JWT admin settings...");
         Objects.requireNonNull(jwtSettings, "JWT settings is null");
-        if (!isJwtAdminSettingsExists()) {
+        if (isJwtAdminSettingsNotExists()) {
             if (hasDefaultTokenSigningKey()) {
                 if (!isAllowedDefaultJwtSigningKey()) {
-                    log.warn("JWT token signing key is default. Generating a new random key");
+                    log.info("JWT token signing key is default. Generating a new random key");
                     jwtSettings.setTokenSigningKey(Base64.getEncoder().encodeToString(RandomStringUtils.randomAlphanumeric(64).getBytes(StandardCharsets.UTF_8)));
                 }
             }
@@ -84,12 +86,17 @@ public class JwtSettingsService {
         }
     }
 
-    public boolean isJwtAdminSettingsExists() {
+    public boolean isJwtAdminSettingsNotExists() {
         return findJwtAdminSettings() == null;
     }
 
     AdminSettings findJwtAdminSettings() {
-        return adminSettingsService.findAdminSettingsByKey(TenantId.SYS_TENANT_ID, ADMIN_SETTINGS_JWT_KEY);
+        try {
+            return adminSettingsService.findAdminSettingsByKey(TenantId.SYS_TENANT_ID, ADMIN_SETTINGS_JWT_KEY);
+        } catch (InvalidDataAccessResourceUsageException ignored) {
+            log.debug("findAdminSettingsByKey is returning InvalidDataAccessResourceUsageException. This is an installation case when the database is not initialized yet");
+            return null;
+        }
     }
 
     /*
@@ -101,15 +108,13 @@ public class JwtSettingsService {
     }
 
     public void validateJwtTokenSigningKey() {
-        if (!isJwtAdminSettingsExists()) {
-            if (hasDefaultTokenSigningKey()) {
-                if (isAllowedDefaultJwtSigningKey()) {
-                    log.warn("Default JWT signing key is allowed. This is a security issue. Please, consider to set a strong key in admin settings");
-                } else {
-                    String message = "Please, set a unique signing key with env variable JWT_TOKEN_SIGNING_KEY. Key is a Base64 encoded phrase. This will require to generate new tokens for all users and API that uses JWT tokens. To allow insecure JWS use TB_ALLOW_DEFAULT_JWT_SIGNING_KEY=true";
-                    log.error(message);
-                    throw new ValidationException(message);
-                }
+        if (isJwtAdminSettingsNotExists() && hasDefaultTokenSigningKey()) {
+            if (isAllowedDefaultJwtSigningKey()) {
+                log.warn("Default JWT signing key is allowed. This is a security issue. Please, consider to set a strong key in admin settings");
+            } else {
+                String message = "Please, set a unique signing key with env variable JWT_TOKEN_SIGNING_KEY. Key is a Base64 encoded phrase. This will require to generate new tokens for all users and API that uses JWT tokens. To allow insecure JWS use TB_ALLOW_DEFAULT_JWT_SIGNING_KEY=true";
+                log.error(message);
+                throw new ValidationException(message);
             }
         }
     }
diff --git a/application/src/main/java/org/thingsboard/server/service/install/ConditionValidatorUpgradeServiceImpl.java b/application/src/main/java/org/thingsboard/server/service/install/ConditionValidatorUpgradeServiceImpl.java
index 27117239f0..8dbfaab893 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/ConditionValidatorUpgradeServiceImpl.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/ConditionValidatorUpgradeServiceImpl.java
@@ -19,7 +19,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Profile;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.config.JwtSettingsService;
+import org.thingsboard.server.config.jwt.JwtSettingsService;
 
 @Service
 @Profile("install")
@@ -31,7 +31,7 @@ public class ConditionValidatorUpgradeServiceImpl implements ConditionValidatorU
 
     @Override
     public void validateConditionsBeforeUpgrade(String fromVersion) throws Exception {
-        log.info("Validating conditions before upgrade..");
+        log.info("Validating conditions before upgrade...");
         jwtSettingsService.validateJwtTokenSigningKey();
     }
 
diff --git a/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java b/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java
index 9c9ffb5188..961d0265f9 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java
@@ -82,7 +82,7 @@ import org.thingsboard.server.common.data.tenant.profile.DefaultTenantProfileCon
 import org.thingsboard.server.common.data.tenant.profile.TenantProfileData;
 import org.thingsboard.server.common.data.tenant.profile.TenantProfileQueueConfiguration;
 import org.thingsboard.server.common.data.widget.WidgetsBundle;
-import org.thingsboard.server.config.JwtSettingsService;
+import org.thingsboard.server.config.jwt.JwtSettingsService;
 import org.thingsboard.server.dao.attributes.AttributesService;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.device.DeviceCredentialsService;
diff --git a/application/src/main/java/org/thingsboard/server/service/security/auth/TokenOutdatingService.java b/application/src/main/java/org/thingsboard/server/service/security/auth/TokenOutdatingService.java
index 73bb97ea0b..fb4cf74ee2 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/auth/TokenOutdatingService.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/auth/TokenOutdatingService.java
@@ -25,7 +25,7 @@ import org.thingsboard.server.common.data.CacheConstants;
 import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.security.event.UserAuthDataChangedEvent;
 import org.thingsboard.server.common.data.security.model.JwtToken;
-import org.thingsboard.server.config.JwtSettingsService;
+import org.thingsboard.server.config.jwt.JwtSettingsService;
 import org.thingsboard.server.service.security.model.token.JwtTokenFactory;
 
 import javax.annotation.PostConstruct;
diff --git a/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java b/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java
index a2fe509a1a..cf19304ba7 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/model/token/JwtTokenFactory.java
@@ -35,7 +35,7 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.common.data.security.model.JwtToken;
-import org.thingsboard.server.config.JwtSettingsService;
+import org.thingsboard.server.config.jwt.JwtSettingsService;
 import org.thingsboard.server.service.security.exception.JwtExpiredTokenException;
 import org.thingsboard.server.service.security.model.JwtTokenPair;
 import org.thingsboard.server.service.security.model.SecurityUser;
diff --git a/application/src/test/java/org/thingsboard/server/service/security/auth/JwtTokenFactoryTest.java b/application/src/test/java/org/thingsboard/server/service/security/auth/JwtTokenFactoryTest.java
index c3223b920e..796ef93c0b 100644
--- a/application/src/test/java/org/thingsboard/server/service/security/auth/JwtTokenFactoryTest.java
+++ b/application/src/test/java/org/thingsboard/server/service/security/auth/JwtTokenFactoryTest.java
@@ -23,8 +23,8 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
 import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.common.data.security.model.JwtToken;
-import org.thingsboard.server.config.JwtSettings;
-import org.thingsboard.server.config.JwtSettingsService;
+import org.thingsboard.server.config.jwt.JwtSettings;
+import org.thingsboard.server.config.jwt.JwtSettingsService;
 import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.security.model.UserPrincipal;
 import org.thingsboard.server.service.security.model.token.AccessJwtToken;
diff --git a/application/src/test/java/org/thingsboard/server/service/security/auth/TokenOutdatingTest.java b/application/src/test/java/org/thingsboard/server/service/security/auth/TokenOutdatingTest.java
index ea5c7f20e8..0ff639d66e 100644
--- a/application/src/test/java/org/thingsboard/server/service/security/auth/TokenOutdatingTest.java
+++ b/application/src/test/java/org/thingsboard/server/service/security/auth/TokenOutdatingTest.java
@@ -26,8 +26,8 @@ import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.common.data.security.UserCredentials;
 import org.thingsboard.server.common.data.security.event.UserAuthDataChangedEvent;
 import org.thingsboard.server.common.data.security.model.JwtToken;
-import org.thingsboard.server.config.JwtSettings;
-import org.thingsboard.server.config.JwtSettingsService;
+import org.thingsboard.server.config.jwt.JwtSettings;
+import org.thingsboard.server.config.jwt.JwtSettingsService;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.user.UserService;
 import org.thingsboard.server.service.security.auth.jwt.JwtAuthenticationProvider;
diff --git a/packaging/java/scripts/install/logback.xml b/packaging/java/scripts/install/logback.xml
index 0047956c93..9233ab4d0b 100644
--- a/packaging/java/scripts/install/logback.xml
+++ b/packaging/java/scripts/install/logback.xml
@@ -56,6 +56,10 @@
         <appender-ref ref="STDOUT" />
     </logger>
 
+    <logger name="org.thingsboard.server.config.jwt" level="INFO">
+        <appender-ref ref="STDOUT" />
+    </logger>
+
     <logger name="org.thingsboard.server" level="INFO" />
 
     <root level="INFO">