This article provides steps to resolve the error ''Failed to update database because the database is read-only'' while the TIBCO Cloud Integration - Connect (Scribe) on-premise agent is being updated. Reviewing the AgentUpdateError log shows the error below. 

Error:
2/24/2022 11:24:35 AM
Error Move Failure: AGTenants System.Data.SqlClient.SqlException (0x80131904): Failed to update database "C:\PROGRAM FILES (X86)\SCRIBE SOFTWARE\SCRIBE ONLINE AGENT 2\SCRIBE2.MDF" because the database is read-only.

1. Ensure that the TIBCO Cloud Integration - Connect (Scribe) On-premise agent is configured to log on as a domain user.
2. Grant read/write access to the user running the TIBCO Scribe Online agent on the SCRIBE SOFTWARE folder.
3. Navigate to the folder  'C:\PROGRAM FILES (X86)\SCRIBE SOFTWARE' folder, > Right-click on the 'SCRIBE SOFTWARE' folder > Properties > Security > Edit > Add the User running the TIBCO Scribe On-premise agent > Grant Full Control (this includes read/write access).
4. Restart the TIBCO Cloud Integration - Connect (Scribe) online-premise agent service. 

Troubleshooting The TIBCO Cloud™ Integration - Connect Agent
https://integration.cloud.tibco.com/docs/Subsystems/sc-connect/agent/agenttroubleshoot.html

Restarting A Connect On-Premise Agent
https://integration.cloud.tibco.com/docs/Subsystems/sc-connect/agent/agent_restart.html

Connect On-Premise Agent Requirements
https://integration.cloud.tibco.com/docs/Subsystems/sc-connect/agent/agentrequirements.html

Updating An Agent
https://integration.cloud.tibco.com/docs/Subsystems/sc-connect/agent/agentupdate.html

Installing A Connect On-Premise Agent With Proxy Servers Or Firewalls
https://integration.cloud.tibco.com/docs/Subsystems/sc-connect/agent/proxyinstall.html

Installing A TIBCO Cloud™ Integration - Connect On-Premise Agent
https://integration.cloud.tibco.com/docs/Subsystems/sc-connect/agent/agentinstall.html