ASP.NET - Login failed for user 'DOMAIN\MACHINENAME$'

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To avoid below error,
System.Data.SqlClient.SqlException: Login failed for user 'DOMAIN\MACHINENAME$'.

 1. Try to prepare proper SQL connection string as

Initial Catalog=your_db_schema;
Integrated Security=False;
User ID=your_db_login; Password=??????" 
providerName="System.Data.SqlClient"/>

 2. Remove Persist Security Info=True;

 3. Other resolution:
In SQL Management Studio create an account for "DOMAIN\MACHINENAME" (do not browse for the account name, type it in manually) and then grant this account db_owner access to the SLAD database. After this, reinstall the product.

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