Previous Page: The subnet mask must be in decimal dot notation, i.e. it must contain 4 numbers separated by. and each number cannot be greater than 255. for example, 255.255.255.0. All the 1 bits must be contiguous and on the left.  Next Page: You have specified a Class A IP address, but the subnet mask is not valid for a Class A address. Check that the correct address and subnet mask have been supplied.

Unable to open port access semaphore. Try again later.

Source:  PPPNCF

Explanation:  There is a shortage of system resources.

Action:  If the server is running out of available memory, add memory to the server or increase the available server memory using one of the methods described in Resolving Memory Problems

  Previous Page: The subnet mask must be in decimal dot notation, i.e. it must contain 4 numbers separated by. and each number cannot be greater than 255. for example, 255.255.255.0. All the 1 bits must be contiguous and on the left.  Next Page: You have specified a Class A IP address, but the subnet mask is not valid for a Class A address. Check that the correct address and subnet mask have been supplied.