Release 10.1A: OpenEdge Deployment:
Startup Command and Parameter Reference

> ## AS/400 Ignore Stamp (-is)

> Use Ignore Stamp (`-is`) to stop an OpenEdge client from comparing timestamps when attempting to connect an AS/400 database.

> Operating system and syntax | UNIX Windows | `-is`
> Use with | Maximum value | Minimum value | Single-user default | Multi-user default
> Client Connection, DataServer | – | – | – | –

> When connecting to the schema holder database and the AS/400 database, Progress compares the timestamps on the files in the schema holder and the AS/400 physical and logical files. If the timestamps do not match, the login attempt is rejected.

> Note: Whenever any change to the AS/400 database structure is made (whether or not the change is saved), the AS/400 data dictionary time stamp changes.

> Progress checks the timestamp at the initial connection. If an AS/400 user modifies the file definitions after a successful Progress connect, the Progress user might get unpredictable results.

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