Unable to convert from standard to enterprise license

We ran into an issue in our environment as the farms were all built with standard license and we needed to convert them to enterprise. This should be easy you would think, but ended up requiring multiple MS cases resulting in a discovered bug. I was told the fix is slated to be released in SP2.

There is an msdn article out there that when implemented doesnt completly convert the license in the farm and leave you in a mixed state.

This msdn article was the first solution MS offered on this. After implementing this it did force the enterprise service apps to be available to build, but in Central Admin it still showed standard license.

All the Infopath links in CA also threw errors when you tried to open them.

If you have used this method to convert your farm then you will want to check the state of the farm. The following technet article provides the commands to run and registry key to check.

In our case we found that the guids returned are not both enterprise, but the registry keys are correct.

Solution:
In the end MS sent us a custom psconfig.exe that had the bad piece of code fixed or removed. We had to run psconfig with the dummy file on all servers, convert license to enterprise, run psconfig with original psconfig file.

If you are having this issue and need to correct prior to SP2, contact MS support. Since its a bug it will be a non dec case.