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Showing posts from October, 2009

Common Show Stoppers in Enterprise Applications Rollout

In any of the Enterprise applications / systems development, the issues that we face can be categorized across following 4 categories :

1. Environmental issues

a. "In UAT environment it is working...in production it is not working " [Because of mismatch in the versions of the softwares installed, Hot fixes applied , Patches updated, some files corrupted , Mismatch in the keys used while using encryption / decryption, registry issues because of some corruption, inconsistency in configuration (DB server, APP. Server etc.) – sanity issues]

b. "Yesterday it worked.Today it is not working " [May be it is tested with some other data…today with a different data, Un-audited software installations etc.]

c. Some times bugs in the platforms will get revealed only under some circumstances which even platform vendors may be un-aware of !


2. Resource Availability
    [This may lead to non-reproducible errors and hence affects reliability]

a. Availability of DB connections / other…