Symptoms
Unable to activate
![alttext](http://kb.parallels.com/Attachments/kcs-167580/internal%20error%20400.png)
Cause
In FarmGUID row cell gen_Value and gen_Type are missing from Settings.db
![alttext](http://kb.parallels.com/Attachments/kcs-167580/no%20farmguid.png)
Resolution
Add value to gen_Value and gen_Type in setting.db file.
gen_Value should be like AAAAAAAA-AAAA-AAAA-AAAA-AAAAAAAAAAAA and must contain digits and letters with high register.
For example: 7F60C72F-701B-4F0F-BF82-4762D7E62C12
gen_Type always must be 6.
![](http://kb.parallels.com/Attachments/kcs-167580/no%20farmguid.png)
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