LDAP Error: 80 Service Fails Needs to be Refreshed/Reloaded

[KWigginscne]

Hello Forum,

We have 21 NetWare servers. Eight are at HQ, and the other 13 are at remote locations, all connected via T1 back to HQ and then out to the internet. All part of our private LAN/WAN with each location on its' own
VLAN.

The 8 servers at HQ are all NW6.5sp7 with the exception of our time/DNS server which is NW5.1sp8. The satellite servers are all NW6.5sp7 with the exception of one that is still NW6.5sp6.

Recently, I updated the HQ machines (with the exception of the NW5.1 box) to eDir 8.8sp3, DS.NLM Version: 20216.83. The NW5.1 box is eDir 8.7.3.3 ds.nlm ver.: 10551.29.
I also applied the eDir update to two of the satellite locations. I have not yet had time to update the other satellite boxes. Two of those satellite locations are running eDir 8.7.3.9 ds.nlm 10553.73.
The other 9 locations are running eDir 8.8sp2 ds.nlm 20216.51.

After the eDir update, our two HQ GroupWise 7sp3 servers now (apparently) randomly quit performing user authentication via LDAP with an error: 80 (LDAP_OTHER: Indicates an unknown error condition. This is the
default value for NDS error codes which do not map to other LDAP error codes). So far, I have been able to get the LDAP service running again by doing a refresh from ConsoleOne, or iManager, or unloading and
reloading NLDAP. Each email server does it's own LDAP service. Here is the current POA LDAP configuration:

00:00:01 2DE LDAP Authentication: Enabled

00:00:01 2DE LDAP Settings:
00:00:01 2DE LDAP Server Public Bind Login ID: CN=LDAP_PROXY,OU=XXX,O=XXX
00:00:01 2DE Inactive Connection Timeout: 30 secs
00:00:01 2DE Disable LDAP Password Change: No
00:00:01 2DE LDAP Pool Server Reset Timeout: 5 mins
00:00:01 2DE LDAP Server Quarantine Threshold: 2
00:00:01 2DE Current LDAP Authentication mode: Load Balance Pool
00:00:01 2DE Load Balance Pool Configuration:
00:00:01 2DE Server Pool: LDAP (email domain) (email postoffice)
00:00:01 2DE LDAP Authentication Server IP Address: (server private IP)
00:00:01 2DE LDAP Server Port: 636
00:00:01 2DE LDAP SSL Enabled: Yes
00:00:01 2DE LDAP SSL Key File Name: (servername)/gwvol:\(postoffice)\(servername.der)
00:00:01 2DE LDAP User Authentication Method: Bind

Any thoughts what might be causing the LDAP service to quit responding? Is there maybe some switch in the configuration that may fix this?

Thanks
Karl