Event ID - 2

Event Id2
SourceMicrosoft Firewall
DescriptionThe Microsoft Firewall was unable to open ODBC Data Source firewall, Table: Table1, under User Name administrator name. The ODBC Error description is: The operation completed successfully. For more information about this event, see ISA Server Help.
Event InformationWhen your ISA Server is configured to log to an ODBC database, one or more of the ISA services may not start and many events, including this will be logged in to event viewer.
CAUSE:
This issue can occur if the ISA service cannot log to the database. Services do not start if they are unable to log to the data base.
RESOLUTION:
To resolve this issue, verify that the ODBC DSN is configured correctly and the database is accessible: 
1. In the ISA Management MMC, expand the ISA Server computer, expand "Monitoring Configuration," and then click Logs. The "Packet Filters" component corresponds to the "Microsoft ISA Server Control service". The "ISA Server Firewall service" corresponds to the "Microsoft Firewall" service. The "ISA Server Web Proxy Service" corresponds to the "Microsoft Web Proxy" service.
2. Right-click the appropriate component, and then click Properties. Verify that the Database section is using a valid DSN, and that the DSN is set up correctly.
3. Verify that the Use this account box contains a valid database account, that is, a Windows NT account that has permissions to log on to the database.
NOTE: Although the Use this account option is necessary if you are using Microsoft Windows NT authentication in the DSN, you do not have to fill out the Use this account box with a user name and password.
For more information click on the following link to a Microsoft article.
Reference LinksISA Services Do Not Start if They Are Unable to Log to the Database

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