= doc.FAQ.HowCanITellIfALicenseIsOrIsNotCorrupt

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Use ASNPRINT.exe to diagnose the functionality of 4.x and 5.x licenses. ASNPRINT.exe displays the terms of functional licenses. It cannot read corrupt licenses. 

ASNPRINT.exe can not read [[OpenLink]]  's 1.x and 3.x license file format. Transfer these licenses to the relevant platform. Attempt to register the appropriate product with these drivers. Then, take the action that corresponds to that product: 

*Set the system clock ahead to test Single-Tier data sources.  
*Start the Request Broker with oplrqb -dv to verify the proper license terms.  

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