Outdated Drivers
Can cause hardware related Errors. Check your PC Drivers now.

Windows DUN/RAS Error 603
"Caller's buffer is too small."

  • In the modem properties make sure that the port speed is not set too low.

  • Open up the "Port Settings" and make sure that FIFO's are on and not set too low.  Try playing around with these settings until the error goes away.

  • Try uninstalling and reinstalling Dialup Networking and all its associated components.

  • Try uninstalling and reinstalling the modem.

  • It is possible that the modem is not functioning.  Refer to computer manufacturer.

  • See Also:


This page was last modified on Saturday, 05-Feb-2011 15:11:54 EST.

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