1. Resistance to Change: Most organizations have a long-standing culture and tradition that they are not willing to change, making it challenging to implement evolution in enterprise architecture.
2. Budget Constraints: Implementing a new enterprise architecture is expensive, and resources may not be enough to undertake full-scale implementation.
3. Lack of Skilled Human Resources: The development of enterprise architecture requires an in-depth understanding of technology, business processes, and organizational culture. Inability to obtain the right mix of skills makes evolution in enterprise architecture challenging.
4. Business Process Changes: Enterprise architecture evolution requires significant changes to current business processes which can be quite disruptive. Employees may be resistant to change, which can make deploying new technologies and updating processes difficult.
5. Complex Systems: Enterprise architecture evolution involves integrating multiple systems, which can pose technical challenges. The process requires a deep understanding of all structures, processes, tools, and technologies implemented and responsible for streamlining the system must be durable and effective.
6. Management Support: Business executives must be fully committed to supporting the enterprise architecture evolution process. Their support is vital for driving successful implementation. In cases where the executives are not on board, the process might be halted or stalled, making it difficult to achieve the desired results.
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