diff --git a/src/libtdeldap.cpp b/src/libtdeldap.cpp
index 2e4cd4a..9faaecd 100644
--- a/src/libtdeldap.cpp
+++ b/src/libtdeldap.cpp
@@ -740,7 +740,7 @@ void add_multiple_attributes_operation(LDAPMod **mods, int *i, TQString attr, TQ
 	(*i)++;
 }
 
-int LDAPManager::updateUserInfo(LDAPUserInfo user) {
+int LDAPManager::updateUserInfo(LDAPUserInfo user, TQString *errstr) {
 	int retcode;
 	int i;
 	LDAPUserInfo userinfo;
@@ -842,7 +842,12 @@ int LDAPManager::updateUserInfo(LDAPUserInfo user) {
 		}
 
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP modification failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP modification failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP modification failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1322,7 +1327,7 @@ int LDAPManager::destroyKerberosTicket(TQString principal, TQString *errstr) {
 	return 0;
 }
 
-int LDAPManager::updateGroupInfo(LDAPGroupInfo group) {
+int LDAPManager::updateGroupInfo(LDAPGroupInfo group, TQString *errstr) {
 	int retcode;
 	int i;
 	LDAPGroupInfo groupinfo;
@@ -1387,7 +1392,12 @@ int LDAPManager::updateGroupInfo(LDAPGroupInfo group) {
 		}
 
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP modification failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP modification failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP modification failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1396,7 +1406,7 @@ int LDAPManager::updateGroupInfo(LDAPGroupInfo group) {
 	}
 }
 
-int LDAPManager::addUserInfo(LDAPUserInfo user) {
+int LDAPManager::addUserInfo(LDAPUserInfo user, TQString *errstr) {
 	int retcode;
 	int i;
 	LDAPUserInfo userinfo;
@@ -1457,7 +1467,12 @@ int LDAPManager::addUserInfo(LDAPUserInfo user) {
 		}
 
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP addition failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP addition failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP addition failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1466,7 +1481,7 @@ int LDAPManager::addUserInfo(LDAPUserInfo user) {
 	}
 }
 
-int LDAPManager::addGroupInfo(LDAPGroupInfo group) {
+int LDAPManager::addGroupInfo(LDAPGroupInfo group, TQString *errstr) {
 	int retcode;
 	int i;
 	LDAPGroupInfo groupinfo;
@@ -1520,7 +1535,12 @@ int LDAPManager::addGroupInfo(LDAPGroupInfo group) {
 		}
 
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP addition failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP addition failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP addition failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1644,7 +1664,7 @@ int LDAPManager::addServiceInfo(LDAPServiceInfo service, TQString *errstr) {
 	}
 }
 
-int LDAPManager::deleteUserInfo(LDAPUserInfo user) {
+int LDAPManager::deleteUserInfo(LDAPUserInfo user, TQString *errstr) {
 	int retcode;
 	LDAPUserInfo userinfo;
 
@@ -1655,7 +1675,12 @@ int LDAPManager::deleteUserInfo(LDAPUserInfo user) {
 		// Delete the base DN entry
 		retcode = ldap_delete_ext_s(m_ldap, user.distinguishedName.ascii(), NULL, NULL);
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1664,7 +1689,7 @@ int LDAPManager::deleteUserInfo(LDAPUserInfo user) {
 	}
 }
 
-int LDAPManager::deleteGroupInfo(LDAPGroupInfo group) {
+int LDAPManager::deleteGroupInfo(LDAPGroupInfo group, TQString *errstr) {
 	int retcode;
 	LDAPGroupInfo groupinfo;
 
@@ -1675,7 +1700,12 @@ int LDAPManager::deleteGroupInfo(LDAPGroupInfo group) {
 		// Delete the base DN entry
 		retcode = ldap_delete_ext_s(m_ldap, group.distinguishedName.ascii(), NULL, NULL);
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1684,7 +1714,7 @@ int LDAPManager::deleteGroupInfo(LDAPGroupInfo group) {
 	}
 }
 
-int LDAPManager::deleteMachineInfo(LDAPMachineInfo machine) {
+int LDAPManager::deleteMachineInfo(LDAPMachineInfo machine, TQString *errstr) {
 	int retcode;
 	LDAPMachineInfo machineinfo;
 
@@ -1695,7 +1725,12 @@ int LDAPManager::deleteMachineInfo(LDAPMachineInfo machine) {
 		// Delete the base DN entry
 		retcode = ldap_delete_ext_s(m_ldap, machine.distinguishedName.ascii(), NULL, NULL);
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
@@ -1704,7 +1739,7 @@ int LDAPManager::deleteMachineInfo(LDAPMachineInfo machine) {
 	}
 }
 
-int LDAPManager::deleteServiceInfo(LDAPServiceInfo service) {
+int LDAPManager::deleteServiceInfo(LDAPServiceInfo service, TQString *errstr) {
 	int retcode;
 	LDAPServiceInfo serviceinfo;
 
@@ -1715,7 +1750,12 @@ int LDAPManager::deleteServiceInfo(LDAPServiceInfo service) {
 		// Delete the base DN entry
 		retcode = ldap_delete_ext_s(m_ldap, service.distinguishedName.ascii(), NULL, NULL);
 		if (retcode != LDAP_SUCCESS) {
-			KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			if (errstr) {
+				*errstr = i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode));
+			}
+			else {
+				KMessageBox::error(0, i18n("<qt>LDAP deletion failure<p>Reason: [%3] %4</qt>").arg(retcode).arg(ldap_err2string(retcode)), i18n("LDAP Error"));
+			}
 			return -2;
 		}
 		else {
diff --git a/src/libtdeldap.h b/src/libtdeldap.h
index 1bad94d..d6ea2d5 100644
--- a/src/libtdeldap.h
+++ b/src/libtdeldap.h
@@ -382,15 +382,15 @@ class LDAPManager : public TQObject {
 		LDAPServiceInfoList services(int* retcode=0);
 		LDAPUserInfo getUserByDistinguishedName(TQString dn);
 		LDAPGroupInfo getGroupByDistinguishedName(TQString dn, TQString *errstr=0);
-		int updateUserInfo(LDAPUserInfo user);
-		int updateGroupInfo(LDAPGroupInfo group);
-		int addUserInfo(LDAPUserInfo user);
-		int addGroupInfo(LDAPGroupInfo group);
+		int updateUserInfo(LDAPUserInfo user, TQString *errstr=0);
+		int updateGroupInfo(LDAPGroupInfo group, TQString *errstr=0);
+		int addUserInfo(LDAPUserInfo user, TQString *errstr=0);
+		int addGroupInfo(LDAPGroupInfo group, TQString *errstr=0);
 		int addServiceInfo(LDAPServiceInfo service, TQString *errstr=0);
-		int deleteUserInfo(LDAPUserInfo user);
-		int deleteGroupInfo(LDAPGroupInfo group);
-		int deleteMachineInfo(LDAPMachineInfo machine);
-		int deleteServiceInfo(LDAPServiceInfo service);
+		int deleteUserInfo(LDAPUserInfo user, TQString *errstr=0);
+		int deleteGroupInfo(LDAPGroupInfo group, TQString *errstr=0);
+		int deleteMachineInfo(LDAPMachineInfo machine, TQString *errstr=0);
+		int deleteServiceInfo(LDAPServiceInfo service, TQString *errstr=0);
 
 		LDAPCredentials currentLDAPCredentials();