설치 및 업그레이드 > Windchill ESI > Installing and Configuring Windchill ESI in an SAP Environment > Reviewing Requirements
  
Reviewing Requirements
Before beginning review the following Windchill ESI requirements.
* 
To minimize the occurrence of known issues, you should obtain the latest Windchill Enterprise Systems Integration software and patches from the PTC software update website. Contact PTC Technical Support if you require assistance.
Windchill ESI Requirements
Windchill ESI requires a correctly installed version of Windchill PDMLink.
PTC provides a summary of the information on the products and operating systems certified with Windchill ESI, as well as language support and inter-operability of PTC products and specific platforms in the Windchill Product Support Matrices. This information is available to you from the following link:
http://www.ptc.com/appserver/cs/doc/indexrefdoc.htmjsp
* 
Each TIBCO product might require you to apply certain patches to your operating system. Refer to the readme files accompanying each TIBCO product for details on required patches.
Development and Production Requirements
The 64 bit SAP JCO is required for development (using Designer). 64 bit SAP JCO.
SAP Notes
The following SAP Notes must be applied if standalone parts need to be revised using parameter-effective change numbers:
• SAP ECC6.0: SAP note #500117
• SAP ECC6.0–EPH5 : SAP note #500117
• SAP ECC6.0–EPH6 : SAP note #500117
• SAP ECC6.0–EPH7 : SAP note #500117
The following SAP Notes must be applied. This note is required to resolve Routing alternate dates and date shift related issues, when using Change Notice.
* 
This note is bundled with support pack "SAPKA64020". If you have already applied support pack SAPKA64020 you do not have to apply this note.
• SAP ECC6.0 : SAP note #987084
• SAP ECC6.0–EPH5 : SAP note #987084
• SAP ECC6.0–EPH6 : SAP note #987084
• SAP ECC6.0–EPH7 : SAP note #987084
* 
This note is bundled with support pack "SAPKA70011". If you have already applied support pack SAPKA70011 you do not have to apply this note