Hikvision Cameras Locking Up?

I have quite a few HikVision cameras (DS-2CD2732 and DS-2CD2532) installed at various client locations that completely lock up and (no ping, no web, nothing) only power cycling them will bring them back online. It seems to happen all the time. They may stay online for a week, maybe two weeks, or a little longer. Is anyone else having this issue?

HikVision is pointing at the NVR...

**** ***** *******), *** ***** ** **** * ****** ***** pulled *** ****** ** *** *** *** ***** * ** 3 ***** ******* ********* ** *** *** ****. ** *****'* matter **** * ** **** *** ***, *** ****** ***** locked ** ***** * ***** ***** **. * ***'* **** these ****** **** *** ***** ***********'* *******. * ******* **'* a ****** ***** *** *** *** ***.

****** ******-
********* ***** ******* ********
******* ***-**** ******* *** ******** (***** ***** **% ** *** Budget)
****** ***** **** ******* ***-* ***, *-**** ***, ***, **** blah

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* **** *** *** **** ***** *** **** *** **** solution ** ****** *** *******. *** **** ********** ** **** these ******* **** ** * ********* ******** ***.

***** ** ******* **** * *** **** ** ****** ** reboot *****/****** - **** ******* *** ****** ** ******** **** those ********** *******. ******* ** ********* **** * ******* ******* from ******** ***********, **** **** **** ** * ******** ******.

* ****** ***'* **** *** ****** **** **** **** *** of *** ***** ******* * **** *********, ***** **** ***** a **** ****** ** * ****, ***** ** ** *** deal. ***** **** ** ** ** *** *** **** (** comparison).

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* ********** *** **** ********* *** ******* *********. *** *********** you ******** **** ** ********* **** *** *********** ******* ****** in *** ********** ******. ** **** **** ********* ***** ***** with ********* ******** ******* ******. * ** ******* ** **** resolve **** *****.

****** *********, * **** * ******* ***** ** **** ******* with *** ** *** ******* ** *** ***, ****** ***** numbers & ********, *** *******(*), ******* ******, *** ***.

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* ** ****** *** **** ******** ***************** **-***-**** *** **-****. **** *** ** *** **** *******. There ***** ** ******* ** *** *******. ***** * ** these ** **** ****-** ********. * ** ******* **** *** stream **** *** *******. ***** ******* **** *** *****.

******** ***** ** ** **** *** **** *** ****. * am ***** *** **** *** **** *** ** *** ** problems (>*** **** *** ***** ** ****).

***** **** ** **** ** ****** ** ****. ** ** pretty ********** *** **** **** ********

*** *** *** ******* ******* *** **** ******** *******? **** is *** *******? *** **** ** *** **** ******** ** the ****** ***** *** *******? **** *** ********* ********* *******?

** *** ***** **** *** ***** *** * *********** ****** or ********* *******. ** * ********, ** *** *** ******* device ***** ********** ** ******** *****, *** ****** **** ************* cycle *** *****.

******* ** **** ********** *****, * **** ***** **** ******* at *** ******** **** *** ******* **** ********. ****'* ********* is ********** ******** ******* **** *** ***** ***** ********* *******. It ****'* ** ***** **** *** ***** ************ **** ** already **** ** *** ****** ** ***** ******** ********. ****** forward ** * ********* *****.

* **** **** **** ** ***** ******* *** ***** *********** this **** ********* **** ** ******* ***.******* *** ********** **** ocassionally **** *****.

**** *** **** ** **** * ******** **** ********* ****** power (**** *******-***** ***) *** **** *** *********** **** *****. It ***** ** ****** **** ***** ** ** ***********, *****-****, any *********** ** *** **** ***** **** **** ***** ******* the ****** ** ******... ******* ******* *** ********* ******, **-******* ... ** **** ***** ****** ****** **** **** *** ****...

*****, ***** *** **** * *** ** **** *.* / 5.x ** ******** ** ********* *******, ******* **** ** **** after * ******** ****** ** **** (***** **? * ***'* recall *******), **** *** ***** ******** *** ********. **** *** tried ********* **** ** *** ****** (*.*) *******?

** *** ********, **** *** *** ** **.*.* ***** ****** (newest ******* ********** ** *** ********* *******). ******* ********, **** are **.*.* ***** ******. * *** *** ****** *** *** location ** **** * ********* *****. **** ********* **** *** issues ********** ******.

**** ** **** ** ******* *****... ******* *.* ******** ** theory ***'* ****** **** *******. *** * ******* ** ***** for ****, ** **** *** ******* * ******* ** ***** the ******** ****** ** **** ***** **** ******, ** ***** mean *** **** ******* ** ********* ***** ** *** ******** :(