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Error message 503

I just updated iTunes and a message keeps popping up saying:

"The shared library “Store Purchases” is not responding. (503)


Check that any firewall software running on either the shared computer or this computer has been set to allow communication on port 443."

Everything seems to be working fine but the message periodically keeps popping up.

iMac (21.5-inch, Late 2013), OS X Mavericks (10.9.5)

Posted on Oct 13, 2015 11:57 AM

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Error message 503

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