Oracle Corp and VMware Inc. announced a deal designed to resolve years of tension over how Oracle handles technical support for VMware users and make it easier for them to move to Oracle’s cloud computing service.

Oracle has designed a system to allow joint customers to move VMware-based computing work to its cloud without reworking the code, said Clay Magouyrk, senior vice president of engineering Oracle Cloud Infrastructure. “We’ve focused on giving customers maximal control,” he told Reuters. “We had to do some very fundamental engineering.”

The two companies said that Oracle would offer technical support to customers who run its applications on top of VMware. Many companies will not run business-critical systems like financial software with the option for support.

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