Error Code 6401: This is a multi-site license. Press F2: Multi-Site, to activate this license.

Release Notes
- Release 6.1.1
- Release 6.1 - India
- Release 6.1 - Kenya
Installation and Licensing
- Installing Tally.ERP 9
- Activating Your Tally.ERP 9 License
- Activating Your Tally.ERP 9 License as a Multi-Site Account
- Updating Your Tally.ERP 9 License
- Configuring Your Tally.ERP 9 License
- Surrendering Your Tally.ERP 9 License
- Reactivating Your Tally.ERP 9 License
- Renewing Your TSS Subscription
- Upgrading to the Latest Tally.ERP 9 Release
- Uninstalling Your Tally.ERP 9
- Rental License
- Licensing - FAQ
Upgrading to Tally.ERP 9 Release 6
Maintaining Company Data
- Creating and Maintaining a Company
- Loading a Company
- Maintaining Group Company
- F11: Company Features
- F12: Configuration
Creating Masters
- Accounts Information
- Inventory Information
Voucher Entry
- Accounting Vouchers
- Inventory Vouchers
- Optional & Non-Accounting Vouchers
- Order Processing
- Advanced Voucher Entry
Advanced Accounting and Inventory Features
- Cost Categories
  - Creating a Single Cost Category
  - Altering a Cost Category
- Cost Centres
  - Creating a Single Cost Centre
  - Altering a Cost Centre
- Budgets
- Interest Calculations
- Cheque Printing
- Multi-Currency
- Multi Address
- Credit Limits
  - Setting Credit Limits
  - Exceeding Credit Limits
- Scenario Management
- Job Costing
- Reorder levels and Reorder Quantity
  - Specifying Advanced Reorder Levels and Minimum Quantities
  - Reorder Status and Quantities to Order
- Price Levels and Price Lists
- Point of Sale (POS)
- Pre-Closure of Order
- Item Cost Tracking
- FAQs - Advanced Accounting and Inventory Features
Reports
- Basic Features of Displaying Reports
- Modifying Reports
- Display Financial Statements
- Display Registers & Ledgers
- Display Inventory Reports & Statements
- Management Information System (MIS) Reports
- Printing Reports
Banking
- Setting up Banking Features
- Creating Bank Ledgers
- Creating Party Ledgers
- Creating Payment Voucher with Voucher Class
- Cash Deposit Slip
- Payment Advice
- Cheque Management
- e-Payments
- Bank Reconciliation
- FAQs on Banking
Job Work
- Introduction to Job Work in Tally.ERP 9
- Enabling Job Work in Tally.ERP 9
- Creating Masters
- Job Work Out Process (Transactions & Reports
  - Job Work Out Transactions
  - Job Work Out Reports
- Job Work In Process (Transaction & Reports)
  - Job Work In Transactions
  - Job Work In Reports
Statutory and Taxation (India)
- GST
- Getting Started with Statutory and Taxation
  - Define Statutory Details and Record Transactions
  - Generate and File Returns
    - Triangulate and Generate Returns
- VAT
- Excise
- TDS
- TCS
- Service Tax
International Taxation
- Kenya (VAT)
Payroll
- Payroll Features of Tally.ERP 9
- Enabling Payroll in Tally.ERP 9
- Five Easy Steps to Generate a Pay Slip
- Creating Payroll Masters (Payroll Info)
- Payroll Voucher Entry / Transactions
- Payroll Reports
- Payroll - FAQs
- Budgetary Changes 2014-15
- Budgetary Changes 2016-17
- Budgetary Changes 2017-18
Audit/Verification Tools
- India
- International
Tally Software Services (TSS)
- Creating Remote Users
  - Create Tally.NET User
  - Create Tally.NET Auditor
- Authorising Security Levels
  - Authorising Tally.NET Users
  - Authorising Tally.NET Auditors
- Assigning Security Controls
  - For Tally.NET User
  - For Tally.NET Auditor
- Connect Company to Tally.NET Server
- Remote Login
Data Management
- Backup & Restore
  - Taking a Data Backup
  - Restoring Backup
- Split a Company
  - Splitting Company Data
  - Verify Company Data
- Import Data
  - Import Masters
  - Import Vouchers
- Export of Data
- E-Capabilities
- Tally ODBC
- SQL Query
- Connectivity and Compatibility with Tally.Server 9
Access Controls & Security Management
- Security Controls
- Tally Audit Feature
- TallyVault
  - Enabling Tally Vault
  - Altering TallyVault for a Company
- Data Security in Tally Products
Data Synchronisation
- How to Synchronise Data
- On-Demand Synchronisation
  - Synchronisation via Tally.NET Server
- Online Synchronisation
  - Synchronisation via Private Network
  - Synchronisation via Tally.NET Server
- Additional Synchronisation Operations
- FAQs
Short Message Service (SMS)
- Configure Tally.ERP 9 for SMS
- Connect Company to Tally.NET Server
- Access Information via SMS
- Changing SMS Suffix of a Company in Tally.ERP 9
- Natural Language
  - Natural Language for the Business
  - Natural Language for the System
Control Centre
- Login to Control Centre
- Login as Remote User
- Change Password
- Reset Password
- Control Centre for an Account
- Licensing & Configuration
- Licensing & Configuration for Multi Site
- User Management
- Jobs & Recruitment
  - Recruitment
  - Employee Assessment
- Account Management
- Account TDLs
  - Deploying Account TDLs
  - Unlink TDL Configuration
- My Tally.NET Account Single Site
- My Tally.NET Accounts Multi Site
Support Centre
- About Support Centre
- Accessing Support Centre
- Adding New Issue in Support Centre
- Reply to an Issue
- Close an Issue
- Button Options in Support Center
Error Messages
- Upload
- Installation
- Voucher Entry
- E-Mail
- Printing
- Data Split
- TSS
Table Search
- Table Search
TallyShop
- Introduction to TallyShop
- Buying Customised Solutions
- Accessing Add-ons Help

Cause

This error occurs when you try to activate a serial number that is linked to a multi-site, using the single-site option.

Solution

Press F2: Multi-Site to activate this license.

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