Mapped Network Drives losing connection

[Guest]

We are having a problem on our network where users are losing their
connections to mapped drives after a certain period of time. This
started happening after they were switched over to Active Directory.
There are not many things in common, however, here are a few. They all
have:
Outlook 2003
SMS Advanced Client
McAfee Virus Scan 8.0.0 with the Anti-Spyware Module
Windows 2000 (some SP3, some SP4)

The drives are mapped from a login script, they are not locally mapped.
Here are a few errors from the error log which seem strange:

6:47:36 AM Information - Event # 5000

VirusScan Enterprise McShield service started - scanning for 128861
viruses.
Engine version : 4.4.00
.DAT version : 4502

EXTRA.DAT name : None
Number of virus signatures in EXTRA.DAT : None
Names of viruses that EXTRA.DAT can detect : None

6:52:58 AM Warning - Event # 4100

The COM+ Event System failed to create an instance of the subscriber
{6295DF2D-35EE-11D1-8707-00C04FD93327}. CoCreateInstanceEx returned
HRESULT 8000401A.

6:58:04 AM Information - Event # 4

Network interface has been reconnected.

Any help on this would be greatly appreciated. We are stumped on this
one and so far searches on Google & EventID.net have not helped.

 

[Dave Patrick]

This usually doesn't cause any problems. Either case the default timeout is
15 minutes. From a command prompt on the *server side*
net config server /autodisconnect:-1
for no disconnect.

Setting this from the command line may turn off auto tuning for the server
service. So a better solution is to navigate to
HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters

and set the Reg_DWord hex value of
"autodisconnect"=ffffffff

If "autodisconnect" doesn't exist, Add it.

(note; ffffffff = aprox. 8171 years)


--
Regards,

Dave Patrick ....Please no email replies - reply in newsgroup.
Microsoft Certified Professional
Microsoft MVP [Windows]
http://www.microsoft.com/protect

| We are having a problem on our network where users are losing their
| connections to mapped drives after a certain period of time. This
| started happening after they were switched over to Active Directory.
| There are not many things in common, however, here are a few. They all
| have:
| Outlook 2003
| SMS Advanced Client
| McAfee Virus Scan 8.0.0 with the Anti-Spyware Module
| Windows 2000 (some SP3, some SP4)
|
| The drives are mapped from a login script, they are not locally mapped.
| Here are a few errors from the error log which seem strange:
|
| 6:47:36 AM Information - Event # 5000
|
| VirusScan Enterprise McShield service started - scanning for 128861
| viruses.
| Engine version : 4.4.00
| .DAT version : 4502
|
| EXTRA.DAT name : None
| Number of virus signatures in EXTRA.DAT : None
| Names of viruses that EXTRA.DAT can detect : None
|
| 6:52:58 AM Warning - Event # 4100
|
| The COM+ Event System failed to create an instance of the subscriber
| {6295DF2D-35EE-11D1-8707-00C04FD93327}. CoCreateInstanceEx returned
| HRESULT 8000401A.
|
| 6:58:04 AM Information - Event # 4
|
| Network interface has been reconnected.
|
| Any help on this would be greatly appreciated. We are stumped on this
| one and so far searches on Google & EventID.net have not helped.
|

 

[Guest]

I'm sorry, I should have put this in the original post, it slipped my
mind. The auto disconnect is set to 15, however changing it does not
help. We changed to 0 on a working pc and their drives were never
disconnected. We also set it to -1(never disconnect) on the affected
machines and the drives still disconnected. Same as if we switched it
to some huge number. They still disconnected after ~ 1hour.

 

[Dave Patrick]

It has to be done *server side* of the connection.

--
Regards,

Dave Patrick ....Please no email replies - reply in newsgroup.
Microsoft Certified Professional
Microsoft MVP [Windows]
http://www.microsoft.com/protect

| I'm sorry, I should have put this in the original post, it slipped my
| mind. The auto disconnect is set to 15, however changing it does not
| help. We changed to 0 on a working pc and their drives were never
| disconnected. We also set it to -1(never disconnect) on the affected
| machines and the drives still disconnected. Same as if we switched it
| to some huge number. They still disconnected after ~ 1hour.
|