MasterCard has advised us that they will be performing a software upgrade on Tuesday May 17th, 2011 commencing at approximately 0730 and concluding at 0830hours EST. As a result of this scheduled activity, clients will be unable to process or complete any MasterCard based transactions.
MasterCard has advised us that they will be performing hardware maintenance on Saturday May 14th, 2011 commencing at approximately 03:00 and concluding at 05:00 EST. As a result of this scheduled activity, clients will be unable to process or complete any Maestro or CIRRUS based transactions.
