Login failed. A security package specific error occurred. This may have been caused by a change to the password of the user who is logged into the eMServer machine.
One reason for this is the clocks on the client and server are not synced. Syncing the clocks will fix the problem. (If not in sync).
How to perform the syncing of the client and server clocks. One method:
Click Start, click Run, type cmd, and then press ENTER.
At the command prompt, type the following commands in the given order. After you type each command, press ENTER. w32tm /config /manualpeerlist: NTP_server_IP_Address, 0x8 /syncfromflags: MANUAL. net stop w32time. net start w32time. w32tm /resync.