diff --git a/obp-api/src/main/scala/code/api/util/migration/Migration.scala b/obp-api/src/main/scala/code/api/util/migration/Migration.scala
index 182f39a70..7da81d82c 100644
--- a/obp-api/src/main/scala/code/api/util/migration/Migration.scala
+++ b/obp-api/src/main/scala/code/api/util/migration/Migration.scala
@@ -100,6 +100,7 @@ object Migration extends MdcLoggable {
 //      populateViewDefinitionCanSeeTransactionStatus()
       alterCounterpartyLimitFieldType()
       populateMigrationOfViewPermissions(startedBeforeSchemifier)
+      changeTypeOfAudFieldAtConsumerTable()
     }
     
     private def dummyScript(): Boolean = {
@@ -254,6 +255,12 @@ object Migration extends MdcLoggable {
         MigrationOfConsumer.populateAzpAndSub(name)
       }
     }
+    private def changeTypeOfAudFieldAtConsumerTable(): Boolean = {
+      val name = nameOf(changeTypeOfAudFieldAtConsumerTable)
+      runOnce(name) {
+        MigrationOfConsumer.alterTypeofAud(name)
+      }
+    }
     private def alterTableMappedUserAuthContext(startedBeforeSchemifier: Boolean): Boolean = {
       if(startedBeforeSchemifier == true) {
         logger.warn(s"Migration.database.alterTableMappedUserAuthContext(true) cannot be run before Schemifier.")
diff --git a/obp-api/src/main/scala/code/api/util/migration/MigrationOfConsumer.scala b/obp-api/src/main/scala/code/api/util/migration/MigrationOfConsumer.scala
index 47e7e2ff6..1bd25bd2f 100644
--- a/obp-api/src/main/scala/code/api/util/migration/MigrationOfConsumer.scala
+++ b/obp-api/src/main/scala/code/api/util/migration/MigrationOfConsumer.scala
@@ -2,11 +2,11 @@ package code.api.util.migration
 
 import java.time.format.DateTimeFormatter
 import java.time.{ZoneId, ZonedDateTime}
-
 import code.api.util.APIUtil
 import code.api.util.migration.Migration.{DbFunction, saveLog}
 import code.model.{AppType, Consumer}
-import net.liftweb.mapper.DB
+import net.liftweb.common.Full
+import net.liftweb.mapper.{DB, Schemifier}
 import net.liftweb.util.{DefaultConnectionIdentifier, Helpers}
 
 object MigrationOfConsumer {
@@ -107,4 +107,52 @@ object MigrationOfConsumer {
         isSuccessful
     }
   }
+
+
+  def alterTypeofAud(name: String): Boolean = {
+    DbFunction.tableExists(Consumer) match {
+      case true =>
+        val startDate = System.currentTimeMillis()
+        val commitId: String = APIUtil.gitCommit
+        var isSuccessful = false
+
+        val executedSql =
+          DbFunction.maybeWrite(true, Schemifier.infoF _) {
+            APIUtil.getPropsValue("db.driver") match {
+              case Full(dbDriver) if dbDriver.contains("com.microsoft.sqlserver.jdbc.SQLServerDriver") =>
+                () =>
+                  """
+                    |ALTER TABLE consumer ALTER COLUMN aud VARCHAR(MAX) NULL;
+                    |""".stripMargin
+              case _ =>
+                () =>
+                  """
+                    |ALTER TABLE consumer ALTER COLUMN aud TYPE text;
+                    |""".stripMargin
+            }
+
+          }
+
+        val endDate = System.currentTimeMillis()
+        val comment: String =
+          s"""Executed SQL:
+             |$executedSql
+             |""".stripMargin
+        isSuccessful = true
+        saveLog(name, commitId, isSuccessful, startDate, endDate, comment)
+        isSuccessful
+
+      case false =>
+        val startDate = System.currentTimeMillis()
+        val commitId: String = APIUtil.gitCommit
+        val isSuccessful = false
+        val endDate = System.currentTimeMillis()
+        val comment: String =
+          s"""${Consumer._dbTableNameLC} table does not exist""".stripMargin
+        saveLog(name, commitId, isSuccessful, startDate, endDate, comment)
+        isSuccessful
+    }
+  }
+
+
 }
diff --git a/obp-api/src/main/scala/code/model/OAuth.scala b/obp-api/src/main/scala/code/model/OAuth.scala
index bf23e5719..f5b1b8c65 100644
--- a/obp-api/src/main/scala/code/model/OAuth.scala
+++ b/obp-api/src/main/scala/code/model/OAuth.scala
@@ -541,7 +541,7 @@ class Consumer extends LongKeyedMapper[Consumer] with CreatedUpdated{
     // because different databases treat unique indexes on NULL values differently.
     override def defaultValue = APIUtil.generateUUID() 
   }
-  object aud extends MappedString(this, 250) {
+  object aud extends MappedText(this) {
     override def defaultValue = null
   }  
   object iss extends MappedString(this, 250) {